Hipjoints

3 clues
Replaceable body parts
Surgically replaceable body parts
Beat-era musicians and orthopedists?
Similar answers:
Achingjoints
Allpoints
Allpointsbullet
Allpointsin
Anoints
Appoints
Aroints
Bbqjoints
Bluepoints
Brakingpoints
Breakpoints
Browniepoints
Browningpoints
Bulletpoints
Cardinalpoints
Checkpoints
Chickpoints
Clipjoints
Clopjoints
Compasspoints