Tell us about yourself!
I too have been doing wood and metal working for most of my life and I see no real issues with your methodology in the shop.The only exception I take is that you should select a synthetic holster for long term storage of the pistol, even though it appears that the gun in the video is of stainless, the leather in the holster and compounds in the leather from processing can and will overtime attract moisture and in other ways start a corrosive process.
I believe that is why he crowned the drive wheel. The crowning tends to make the belt run to the middle
A Guide for Buying LED's on E Bay ---- Part TWO
How to: Laser engraver!