I coat with pbblaster and saturate a good paper towel and wrap the parts in both, this method was taught to me by an old machinist. Has never failed me.
the full description is on Steve's product web site........it can be used on any degree of graver. I use his 116 alot and after the heel is finished as you like, you place the graver flat on the fixture and add what essentially a second heel only on the backside of the existing heel, it's like...