This bar should be checked before each use to make sure it is securely attached. If necessary, it should be reattached. Safe Grip Handle very easy to Remove and release both latches. Slide fingertip under rubber seal at each end if necessary, to release a suction system for stable. You can use any kind of shower walls, Bathtub etc. Tile must be 4″ x 4″ or greater otherwise it will not work.