ROCKY MOUNTAIN QUIET CRANK COCKING WINCH By using crank cocking device allows for a more consistent pull and improves accuracy by ensuring equal pressure to each crossbow limb. The Quiet Crank has a no-slip brake. Can be easily installed or removed in seconds. When the crank is installed the anti-torque mounting shaft keeps unit stable and secure during cranking and reduces cocking effort by 90 percent. Is ambidextrous and works for both left and right handed users. Lightweight and ultra-portable and weighs approximately 1 lb.