Arthritis can make gripping, twisting, and pinching with your hand painful and difficult. A key turner is a device where the bow of your key is inserted or attached to the key turner to provide you with a bigger surface to hold and turn with. This could be an elongated lever, as pictured, or a loop handle.
This decreases the strain on your finger/thumb joints by allowing you to use your larger hand muscles and joints, eliminating the need to pinch with your fingers and thumb.
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