#2
i know eric roche used to havea worn down spot for it but i think thomas tapes on some sort of different wood. its in an interview on his site somewhere.
#3
thats exactly what i've been trying to find out for the past month..it looks like another piece of wood but im not sure..all he says on the website is its a scratch plate and its put on using two sided tape, and he goes through one every 12 months