(1) Adjust the crutches to a height suitable for your use before use. The adjustment method: press down the button with your fingers, adjust it up and down to confirm the proper height, lock the nut and fix it firmly before using it.
(2) Check whether the handle is loose and burrs, beware of loosening and burrs damage the palm of the hand and affect the safe use.
(3) Check whether the anti-skid pads of the crutches are firm and stable. If they are worn, they should be replaced in time. Be especially careful on sloping roads.
(4) Crutches are walking aids, please do not use them as supporting objects other than aids. (5) Crutches are not suitable for mountaineering and long-term weight support.