Is that shots, on the rocks or frozen drink from a blender?
As far as the Bamboo just remember you have to keep it well coated with coconut milk. If not it will become dry and brittle. You do not want failed equipment
After reading your chop a piston thread.
I had great idea for a tool that makes the need to bore and hone and new pistons a thing of the past.
I am working on your blanace problems. Will update you on progress. Not sure if should reveal my 2 new machines for the good of the automobile world. Or get a lawyer involved. It could be a revolution in how things are done and be worth a fortune.
So do I share or get lawyers involed to register?