What's the Difference Between Wheelchair Brakes and Locks?
Amazon.com: AlveyTech Replacement Black Rubber Brake Handle Tips for Pride Stylus & Stylus LS Folding Manual Wheelchairs (Pair) – Aluminum Medical Transport Wheelchair Brake Extenders for Pull To Lock Hand Brakes :
Brakes | MKCC
Removable Arm Wheel Locks, Chrome, Pair – MP Source