diff --git a/pyproject.toml b/pyproject.toml
index 65bf401..9333919 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = [
     "numpy",
     "openpyxl",
     "pandas",
-    "pydantic>2",
+    "pydantic<2.9",
     "pydantic-settings",
     "pydantic-extra-types",
     "PyYAML",
diff --git a/src/ipyautoui/constants.py b/src/ipyautoui/constants.py
index 5c638f0..5cb3287 100644
--- a/src/ipyautoui/constants.py
+++ b/src/ipyautoui/constants.py
@@ -140,6 +140,13 @@
     layout={"width": BUTTON_WIDTH_MIN, "height": BUTTON_HEIGHT_MIN},
     disabled=True,
 )
+HELP_BUTTON_KWARGS = frozenmap(
+    icon="question",
+    style={},
+    # button_style="primary",
+    tooltip="help",
+    layout={"width": BUTTON_WIDTH_MIN},  # , "height": BUTTON_HEIGHT_MIN
+)
 
 DOWNARROW_BUTTON_KWARGS = frozenmap(
     icon="arrow-down",
diff --git a/src/ipyautoui/custom/buttonbars.py b/src/ipyautoui/custom/buttonbars.py
index 2b15f09..aba7e8b 100644
--- a/src/ipyautoui/custom/buttonbars.py
+++ b/src/ipyautoui/custom/buttonbars.py
@@ -6,7 +6,7 @@
 #       extension: .py
 #       format_name: light
 #       format_version: '1.5'
-#       jupytext_version: 1.15.2
+#       jupytext_version: 1.16.1
 #   kernelspec:
 #     display_name: Python 3 (ipykernel)
 #     language: python
@@ -14,9 +14,6 @@
 # ---
 
 # +
-# %run ../_dev_maplocal_params.py
-
-
 import ipywidgets as w
 import traitlets as tr
 import typing as ty
@@ -28,9 +25,9 @@
     COPY_BUTTON_KWARGS,
     DELETE_BUTTON_KWARGS,
     RELOAD_BUTTON_KWARGS,
+    HELP_BUTTON_KWARGS,
 )
-
-from IPython.display import display
+from IPython.display import display, clear_output
 from datetime import datetime
 import logging
 from enum import Enum
@@ -272,40 +269,85 @@ class CrudView(ty.TypedDict):
     edit: CrudOptions
     copy: CrudOptions
     delete: CrudOptions
+    reload: CrudOptions
 
 
 DEFAULT_BUTTONBAR_CONFIG = CrudView(
     add=CrudOptions(
-        tooltip="Add item",
-        tooltip_clicked="Go back to table",
-        button_style="success",
-        message="➕ <i>Adding Value</i>",
+        **dict(ADD_BUTTON_KWARGS)
+        | dict(
+            tooltip="Add item",
+            tooltip_clicked="Go back to table",
+            button_style="success",
+            message="➕ <i>Adding Value</i>",
+        )
     ),
     edit=CrudOptions(
-        tooltip="Edit item",
-        tooltip_clicked="Go back to table",
-        button_style="warning",
-        message="✏️ <i>Editing Value</i>",
+        **dict(EDIT_BUTTON_KWARGS)
+        | dict(
+            tooltip="Edit item",
+            tooltip_clicked="Go back to table",
+            button_style="warning",
+            message="✏️ <i>Editing Value</i>",
+        )
     ),
     copy=CrudOptions(
-        tooltip="Copy item",
-        tooltip_clicked="Go back to table",
-        button_style="primary",
-        message="📝 <i>Copying Value</i>",
+        **dict(COPY_BUTTON_KWARGS)
+        | dict(
+            tooltip="Copy item",
+            tooltip_clicked="Go back to table",
+            button_style="primary",
+            message="📝 <i>Copying Value</i>",
+        )
     ),
     delete=CrudOptions(
-        tooltip="Delete item",
-        tooltip_clicked="Go back to table",
-        button_style="danger",
-        message="🗑️ <i>Deleting Value</i>",
+        **dict(DELETE_BUTTON_KWARGS)
+        | dict(
+            tooltip="Delete item",
+            tooltip_clicked="Go back to table",
+            button_style="danger",
+            message="🗑️ <i>Deleting Value</i>",
+        )
+    ),
+    reload=CrudOptions(
+        **dict(RELOAD_BUTTON_KWARGS)
+        | dict(
+            tooltip="reload data",
+            tooltip_clicked="",
+            button_style="info",
+            message="♻ <i>reloading data|</i>",
+        )
+    ),
+    support=CrudOptions(
+        **dict(HELP_BUTTON_KWARGS)
+        | dict(layout=dict(display="None"))
+        | dict(
+            tooltip="help - click to show description of all buttons in the toolbar",
+            tooltip_clicked="hide help dialogue",
+            message="❔ <i>Help Selected</i>",
+        )
     ),
 )
 
 
-# -
+# +
+def display_ui_tooltips(uiobj: w.DOMWidget) -> w.VBox:
+    """Pass a UI object and display all widgets within it with their tooltips."""
+    li = []
+    for _, v in uiobj.__dict__.items():
+        try:
+            if "tooltip" in v.__dict__["_trait_values"]:
+                if v.tooltip is not None:
+                    li.append(v)
+        except Exception as err:
+            logging.warning(err)
+    replace_newlines = lambda x: x.replace("\n", "<br>")
+    return w.VBox(
+        [w.HBox([l, w.HTML(f"<i>{replace_newlines(l.tooltip)}</i>")]) for l in li]
+    )
 
 
-class CrudButtonBar(w.HBox):
+class CrudButtonBar(w.VBox):
     active = tr.Unicode(default_value=None, allow_none=True)
     crud_view = tr.Dict(default_value=DEFAULT_BUTTONBAR_CONFIG)
     fn_add = tr.Callable(default_value=lambda: print("add"))
@@ -313,7 +355,16 @@ class CrudButtonBar(w.HBox):
     fn_copy = tr.Callable(default_value=lambda: print("copy"))
     fn_delete = tr.Callable(default_value=lambda: print("delete"))
     fn_backward = tr.Callable(default_value=lambda: print("backward"))
+    fn_support = tr.Callable(default_value=lambda: print("support"))
     fn_reload = tr.Callable(default_value=None, allow_none=True)
+    show_support = tr.Bool(default_value=False)
+
+    @tr.observe("show_support")
+    def _observe_show_support(self, change):
+        if change["new"]:
+            self.support.layout.display = ""
+        else:
+            self.support.layout.display = "None"
 
     @tr.observe("fn_reload")
     def _observe_fn_reload(self, change):
@@ -333,31 +384,41 @@ def active_index(self):
         else:
             return list(self.crud_view.keys()).index(self.active)
 
+    def _fn_support(self):
+        with self.out:
+            clear_output()
+            display(display_ui_tooltips(self))
+
     def __init__(
         self,
         **kwargs,
     ):
         self._init_form()
         super().__init__(**kwargs)  # main container
+        self.fn_support = self._fn_support
         self.out = w.Output()
-        self.children = [
-            self.add,
-            self.edit,
-            self.copy,
-            self.delete,
-            self.reload,
-            self.message,
-        ]
+        self.hbx_bbar = w.HBox(
+            [
+                self.add,
+                self.edit,
+                self.copy,
+                self.delete,
+                self.reload,
+                self.support,
+                self.message,
+            ]
+        )
+        self.children = [self.hbx_bbar, self.out]
         self._init_controls()
 
     def _init_form(self):
-        # self.transpose w.ToggleButton(icon="arrow-right")
-        self.add = w.ToggleButton(**ADD_BUTTON_KWARGS)
-        self.edit = w.ToggleButton(**EDIT_BUTTON_KWARGS)
-        self.copy = w.ToggleButton(**COPY_BUTTON_KWARGS)
-        self.delete = w.ToggleButton(**DELETE_BUTTON_KWARGS)
-        self.reload = w.Button(**RELOAD_BUTTON_KWARGS)
-        self.reload.layout.display = "None"
+        self.add = w.ToggleButton()
+        self.edit = w.ToggleButton()
+        self.copy = w.ToggleButton()
+        self.delete = w.ToggleButton()
+        self.reload = w.Button()
+        self.support = w.ToggleButton()
+        # ^ KWARGS for the buttons are set by CrudView
         self.message = w.HTML()
         self._set_crud_view_options()
 
@@ -366,24 +427,27 @@ def _init_controls(self):
         self.edit.observe(self._edit, "value")
         self.copy.observe(self._copy, "value")
         self.delete.observe(self._delete, "value")
+        self.support.observe(self._support, "value")
         self.reload.on_click(self._reload)
 
     def _onclick(self, button_name):
-        w = getattr(self, button_name)
+        wi = getattr(self, button_name)
         fn = getattr(self, ("fn_" + button_name))
-        if w.value:
+        if wi.value:
             self.reset_toggles_except(button_name)
             self.active = button_name
-            w.tooltip = self.crud_view[button_name]["tooltip_clicked"]
-            w.layout.border = TOGGLEBUTTON_ONCLICK_BORDER_LAYOUT
+            wi.tooltip = self.crud_view[button_name]["tooltip_clicked"]
+            wi.layout.border = TOGGLEBUTTON_ONCLICK_BORDER_LAYOUT
             self.message.value = self.crud_view[button_name]["message"]
             fn()
         else:
             self.active = None
-            w.tooltip = self.crud_view[button_name]["tooltip"]
-            w.layout.border = None
+            wi.tooltip = self.crud_view[button_name]["tooltip"]
+            wi.layout.border = None
             self.message.value = ""
             self.fn_backward()
+            with self.out:
+                clear_output()
 
     def _add(self, onchange):
         self._onclick("add")
@@ -397,6 +461,13 @@ def _copy(self, onchange):
     def _delete(self, onchange):
         self._onclick("delete")
 
+    def _support(self, onchange):
+        self._onclick("support")
+
+    def _reload(self, on_click):
+        logger.info("Reloading all data")
+        self.fn_reload()
+
     def _set_crud_view_options(self):
         for button_name in self.crud_view.keys():
             w = getattr(self, button_name)
@@ -414,10 +485,8 @@ def reset_toggles_except(self, name=None):
         for n in names:
             setattr(getattr(self, n), "value", False)
 
-    def _reload(self, on_click):
-        logger.info("Reloading all data")
-        self.fn_reload()
 
+# -
 
 if __name__ == "__main__":
 
@@ -444,5 +513,4 @@ def backward():
         fn_backward=backward,
         fn_reload=lambda: print("fn_reload"),
     )
-
     display(buttonbar)
diff --git a/src/ipyautoui/custom/editgrid.py b/src/ipyautoui/custom/editgrid.py
index 8bfd88b..96b21fd 100644
--- a/src/ipyautoui/custom/editgrid.py
+++ b/src/ipyautoui/custom/editgrid.py
@@ -480,6 +480,8 @@ def _grid_changed(self, onchange):
     def _setview(self, onchange):
         if self.buttonbar_grid.active is None:
             self.stk_crud.selected_index = None
+        elif self.buttonbar_grid.active == "support":
+            self.stk_crud.selected_index = None
         else:
             self.stk_crud.selected_index = self.buttonbar_grid.active_index