I posted this in another thread on here somewhere, but this is what's on the end of my cable:
View attachment 634102
There is a wedge in the body. Cable runs up through the body, over the top of the wedge and back down the other side (the cable end remains just barely inside the body, so no ends to get poked by). I have a grab hook on a short chain I can put through the keyhole when I need a hook for something, but I don't use it much. I could attach the chain from the grab hook directly onto the clamp body, replacing the keyhole/swivel, but I'd lose the swivel action if I did that. I do like that swivel action: it helps keep the cable from twisting up if I'm winching a log on a side-hill and ir rolls down the hill a bit.
One of these days, I'll try to get some better pictures of it, if anyone is interested.