Never wear loose fitting pants or shirt. Hair long enough to be put in a pony tail must be tied back. You can set a prusik knot with a foot loop, step up to relieve the tension on the system and clear the problem. When selecting a rope on which your life is going to depend, strength must be the first and foremost consideration. Laid rope is constructed from 3 separate bunches of continuous nylon filaments that are twisted together.
Laid rope has a tendency to untwist and stretch as weight is placed on it.
In braided ropes the yarns are plaited and braided around an inner core, forming an outerwoven jacket or sheath. Each cord is made up of twisted nylon filaments. Every filament runs the length full length of the rope. 11 mm Bluewater II strength is 6,000 lbs. Static Rope are designed with minimal stretch and are used for rappelling and caving.