About turning clevises, there is actually a clevis and ball link turning tool out there. It works farily well, and I liked mine until I lost the darn thing.

Generally, if I have to make a lot of turns, I'll close the clevis, put on the keeper (fuel tubing or whatever) and run a bit of music wire sidways though the slot and just spin that with my fingers. It gives you the leverage to turn it quickly and easily.

Btw, if you click on the "edit" button under your post, there is an option at the top to delete your duplicate post.