The first thing I need to find is a suitable piece of stick, preferably seasoned, but in this case I used a green stick. The problem with using green wood is the fluff that's left in the chamber when you drill it out. I'm sure that I can sort out the problem with a piece of hot wire later. I carefully drilled out the chamber with an 8mm bit and followed it up with a 10mm. The diameter and length of the chamber dictates the pitch of the whistle... Once I've finished drilling out the stick I…
