It works by securely clamping onto the angle iron of the bed frame with an 8 bracket and tightened by two four armed handles: No tools required * 4 adjustable feet on the floor provide unsurpassed stability and strength * Carpet cleats are included * Promote self esteem by enabling independent transfer * Minimize risk of injury to care provider * 8 mounting bracket for secure installation * 4 armed handle for easy tightening * Solid steel tubing for lasting durability * 4 easily accessible grasping points for convenient use * Attractive powder coat finish * Allows for normal bedding drape * Adjustable to fit most beds * 11 Wide frame for 1 or 2 handed use * No open spaces for potential injury *