Rope of climbing

This is 60-foot-long coil of sturdy silk rope; despite weighing only 3 lbs., it is strong enough to support 3,000 lbs. of weight. Upon command, the rope snakes forward, upward, downward, or in any other direction at 10 feet per round, attaching itself securely wherever its owner desires. It can unfasten itself and return in the same manner.