The guy that gave me my Bandicoot OPMT(one piece multi tool) told me a while back that the first tool that Peter Atwood made(his tools were what started the whole OPMT fad and made them so popular) were an idea he had for a paint can opener he needed at work, something he could always have with him.
Well, my Bandicoot got back to its roots, a little time to connect to its OPMT ancestors yesterday;
😀
Alaskan, Adventurer, Engineer. 
Ha! Back to the basics!