Well, think of this. Poke yourself with a straight tooth pick. That hurts.

Now, poke yourself when you have put a "Z" bend in the tooth pick. Which hurts worse?

The straight tooth pick hurts worse because it is not weakened.

It's the exact same thing when you put a "Z" bend in a wire. It weakens it. I've put "Z" bends in a G.P. Spitfire once and the wire split right where the Z bend was made. I'd stick with the E.Z. Connectors and the metal clips. Just a good 2 cents worth.
Clint