Safe and body balance keeping By holding the armrest firmly for body balance keeping, the user will never fall down whether the course is in rapid movement state or is rocked violently. Therefore it is easy and safe to use. Effort saving, body weight can User can no longer only rely on both feet to support the weight of the body, the upper body weight can be applied on the chair through the armrest, which brings labor-saving experience. Love last longer, controllable The power of waist can be better controlled by gripping the armrest, easy to master weight and speed, which can effectively coordinate the pace of love and makes the course last longer. Comfortable, adjust body position freely The user may try it freely whether lean forward or sway. With the armrest as a support, the user can flexibly change position to be in harmony with partner’s action, this makes it more comfortable to use. furniture aids is made of high-strength stainless steel with sponge cover to protect your floor as well as product itself. can bear the weight less than 300 pounds weightless chair have two stretchy panels A handle on stool keeps body balance on life. You can perch up on top with your partner below the stool,and then work yourself into a rhythm at your own pace An English install manual comes You will have no worry about how to assemble it.