As @passion-ground said, tipping is relatively easy, but I do like the actual idea of a designated Digital Tipping Bucket
I mean, at those kinds of gigs, people forget to tip until someone goes around with the hat. It's like a reminder, not because people are parsimonious, but more because they are simply in their own worlds and forget.
Let's DM to think tank it someone Dazza @darrenclaxton!
Blissful blessings and smiles
in joy
Nathan
NK