Pearl 900 Series Throne Features:

Memory Foam Cushions: The ultra-soft Memory Foam provides maximum comfort by molding itself around the player
Height collar: The vice-like height collar is infinitely adjustable and features a stock-lock
SureStuts- Double-braced struts on the tripod offer the ultimate in structural integrity to prevent lateral wobble and the inherent squeaks that may result from it
UltraGrip wingnuts and wingbolts: Both feature an ingenious ergonomic handle with notches that allows your drumsticks to be used for loosening if needed
Large rubber feet: Provide improved stability and plenty of tread for long life