The safety 1st slam stopper is ideal for preventing your childs fingers from getting nipped in a closing door the slam stopper is positioned on the outer edge of the door the opposite side to your door hinge so that when the door closes it is prevented from closing fully this means that a small gap is created when the door is shut making sure fingers are not trapped the safety 1st slam stopper isnt just great for preventing fingers being trapped in doors but is also useful for preventi