M-hofmann-a9s Tap

How do I install these formulae?

brew install m-hofmann-a9s/tap/<formula>

Or brew tap m-hofmann-a9s/tap and then brew install <formula>.

Or, in a brew bundle Brewfile:

tap "m-hofmann-a9s/tap"
brew "<formula>"

brew help, man brew or check Homebrew's documentation.