yes i created some special wrenches while i was a auto mech. U have to , to be able to get into tough spots. I also used some weird plastic stuff my father gave me from nasa for gaskets on my motorcycle it worked great
I came up with a great idea for a young lady of Ask.com a few years ago. She used it for her science project in high school. Hopefully, she continues with the idea and makes millions of $$$$.
Had a couple, and wjhile I was working out the details someone else got a slightly bettger product to market. Once again a day latge and a dollar short.