John & Phil
I found the stuff, just couldn't remember what I was going to try it on.
But thanks for the suggestion and the link.
I must not have been holding my mouth right doing the search. Maybe I should try a different phrase in the quotes.
I'll try another search for the thread I first saw it in here.
[on edit]Found it with "open gear" HERE
It was leaf springs, which makes sense. Now I need to just write that down somewhere and not forget where I put the note.