crutches, rollators, cervical collars, slings for medical use, supports for ankle for medical use, supports for foot for medical use, supports for knee for medical use, supports for shoulder for medical use, supports for back for medical use, supports for abdomen for medical use, supports for wrist for medical use, supports for general medical use, abdominal belts for medical purposes, abdominal pads for medical purposes, walkers for use by mobility-impaired individuals, walkers to aid in mobility, walking aids for medical purposes, walking aids for handicapped persons, namely, walking frames