GM spark plug boot removal tool

I made this tool for my 01 Yukon XL 1500. The spark plugs boots have a heat shield on them and if those boots have been attached to the spark plugs for a few years they can be a pain to remove. This tool works on all the plugs even the ones with minimal space in the back. I printed in PLA and didn't have an issue.

Instructions: Once printed out, slide the open end over the plug wire and expand it enough to slip over the heat shield until the lip settles into the groove. Then take a pair of pl