Zip-Ties, and or Duct Tape. Think of it as a one-time use restraint. Or multiple times in the case of a roll of tape I guess. The hitch, well obviously it runs out, but if your amazingly brawny you can break free too.
A coded way to blindfold someone (I can think of one other way to handle it but it's difficult) anyway maybe a thick black canvis bag that can be tossed over the user's head rendering them blind.
:grins evilly rubbing his hands togther "I'd tell you where we're going, but then I'd have to kill you too quickly" he says as he tosses a thick black canvis bag over the head of your duct-tape mummified body, pulling the drawstring tight.
LEGEND