I found these in my c-man bottom. Heck I've owned these guys since the mid '70s, and forgot all about them (yes they need a clean up).
You will never guess what I used them for the most------------HOG-RING PLIERS---yep, they work great. I was, way back then, working in a Auto glass/trim shop. Hell I almost cut that stupid ring off (glad I didn't now)
The ring in play (I don't have a hose clamp
I guess I'll give these KDs a mate