Saw this recently. Said to be 100 times stronger than duct tape.

Not cheap at $6 for 40 inches.

"...But the real catch is that while it's non-toxic, you'll want to
avoid getting that resin on your skin or clothes because it's not
coming off easily. So for kidnappings and hostage situations, duct
tape is definitely still the way to go."

http://gizmodo.com/new-instant-fix-fabric-is-100x-stronger-than-duct-tape-1454006677

Some videos he guy cuts his water supply line on purpose and fixes
it ...

http://www.youtube.com/user/fiberfixusa