Everyone might find himself in emergency situation under water somehow, what's better than wearing a life ring on wrist? Once you pull the bracelet when you are in danger, the slim bracelet will rapidly expand to a life ring to keep you afloat
Munter-Mule-Overhand (MMO) This knot is key to getting “hands free” on a belay, meaning you’ve tied off your climber so you can take your hand off the brake end of the rope. It builds off the Munter hitch, so a correctly tied Munter is the first step.
We don't need no stinkin' knight in shining armor, thankyouverymuch. Yeah, sure there's a dragon, and the villain is over there in the corner explaining his evil plan, but I promise. We've got this entire situation under control.