Safety Summary . To ensure the safe operation of DRIVE CANES, these instructions MUST be followed. . . General Warnings . DO NOT install or use this equipment without first reading and understanding the Warnings, Cautions or Instructions, contact a healthcare professional, dealer or technical personnel before attempting to install this equipment-otherwise, injury may occur. . Each individual should always consult with their physician or therapist to determine proper adjustments and usage.. Check rubber tips for rips, tears, crack or wear. If any of these conditions exist, replace rubber tip immediately.. Drive Canes can provide ambulatory assistance for an individual weighing up to 300 pounds. The canes are designed to provide support, increased stability and assistance to the end use while walking. The canes are NOT designed to support the total weight of the individuals.. . Adjustable Quad Cane . Single button MUST be fully engaged and protruding though height adjustment hole on cane handle to ensure a positive lock. ALWAYS test to see that cane handle is properly and securely locked in place BEFORE using. When using a Quad Cane, the cane should be placed on the walking surface with all four legs in contact with, and vertical tube perpendicular to, the walking surface. Use of cane in a fashion other than this can lead to eventually cane damage and/or personal injury. Extra care should be exercised when walking on a slippery or wet surface. If a cane is exposed to extreme temperature (above 100°F or below 32°F), high humidity and/or becomes wet, prior to use, ensure handgrips do not twist on cane handle-otherwise damage may occur. . For stability, ensure that longest or flattest portion of base is closest to foot-otherwise, injury or damage may occur. It may be necessary to adjust Quad Cane for right-hand or left-hand use. . . Adjustable for Right or Left Hand Use . 1