How to make a compression adapter from an old injector!!

Let's face it, if we don't have that special dealer access, we aren't allowed to buy certain specialty tools for the engines we have or want to work on. This is super frustrating - however, with a bit of ingenuity we can always make our own stuff with the materials we have! If you find yourself needing a compression adaptor for your diesel engine, find an injector and follow these steps!!