Related Clues:

• Patella's joint
• Tip of a wing tip
• Baby bouncer
• '... with a banjo on my ___'
• Place for a cap
• Child support?
• Jerky joint
• Place for a dummy
• Sock section
• Where the femur and tibia meet
• Place for a nail
• Banjo site, in song
• Banjo perch?
• Pedal digit
• Mini revelation?