I bought a set of Nova pin jaws to hold a jig I made. Looking through the manual, I'm unsure as to what the application is for the "pin jaw function" mode. It looks like it's to slide a piece with a deep hole in it over the jaws and expand them to grip. Surprisingly, when I searched for a video demonstrating using a pin jaw, I came up empty. What projects would I want to drill a deep hole into to turn it?