I set many a TM Hunter up in my day. also inverted Pacesetters. those were hot rests in their days.
I hated it when a customer needed to adjust the prongs and took a pair of pliers to them instead of using the allen set screw. and heavy shooters would wear the heat shrink tubing down to the metal and couldnt figure out they could slip it up and take a lighter to re-shrink it.