today I found some ideas for EDC of Duct Tape
http://artofmanliness.com/2013/02/14/solutions-for-the-everyday-carry-of-duct-tape
personally i use the squished Gorilla Tape roll method.
since i have started carrying it, i have used it quite a bit
i think im on my third roll.
on more than one occasion i have used it to bandage my fingers.