Carpet Holes Made Easy

I have a friend that has been doing custom interiors for years...I used to help him at his shop when my work was slow (pre-wife & kids lol). He taught me to use an old junk 5/16" deep socket, and do the torch trick with that. (I use a socket driver with the plastic screwdriver-type handle) Man it's always worked great, the edges of the socket slide right through and it easily pushes the 'slug' out and leaves a nice clean hole.