Duct tape helps save life of hiker stuck in Sierra Nevada wilderness for four days
http://www.latimes.com/nation/nationnow/la-na-duct-tape-sierra-rescue-20160520-snap-story.html
Realizing he was hopelessly lost, Michael pitched camp in a grassy area below the snowline. He used duct tape to write “HELP” in large letters on a rocky outcropping.
Michael waved his rain tarp to signal the helicopter after seeing it overhead,
…
Capt. Will Martin said crew members noticed an unusual pattern on the ground.
Duct tape – don’t leave home without it!
— Rex