Did you mean “dangling at the end of a rope”? I bet you were disappointed. LOL
That’s another way of saying it. “Dancing at the end of a rope” is an expression I’ve heard for as long as I can remember. I googled to find examples of its usage. I came across this video, and that’s as far as I got.
Enjoy! http://m.youtube.com/watch?v=69qx4dKZF4Y