Once I remove the regulator at home, I inspected it a bit more and came up with a new way to get an air tank.
I know there are plenty of Instructables on this topic, but I have never seen it done this way before. There where tons of results that came up on "" Propane air tank" so I may have missed one.
Best of all, you only need one (1) adapter for an unlimited number of tanks.
Step 1: Remove tank adapter
Once it is off, you will either have a tiny, small, medium, or large hole in the end. If you have a medium to large hold, skip the next step.
In my case I had a Tiny hole, not much air will pass through that.