Cable ties would be the easy route that I know of. An Aircraft crimping tool Is my guess. I wonder what you are coming up with?
So I knocked out one of the rears. I think I'm going to grab a set of 6" pliers in both lefty and righty. It would make this process way faster. Between my sausage fingers and the old 9" safety wire pliers I have this rotor took me too long.

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Rob,
Pretty good guess and description. I have the 6" left and right pliers if you need them? I will dig up that tool tomorrow and see about some pics.