Works exceptionally well with gravitationally insecure and low tone clients. Provides propioceptive stimulation and vertical movement. Resting height is 20" with 9" of vertical stimulation. Accommodates a working load of 30 to 120 lbs or more (with additional loops). Includes 3 single loops. You may have up to four single loops. Must be used with a Safety Rotational Device, found below. Fabric-covered loops contain latex.