This happened a while back I think. It might be one of the inactives that had gear equipped prior to the skill set reset. In which case he is already over weight since his strength is back to lvl 1. So the cuffs are to heavy to be added to him.
“It's what I get for trusting that someone else's implementation worked, I guess.”
Story of my life, right there.
"On two occasions I have been asked,—"Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?" I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question."
- Charles Babbage