Related Clues:

• Begging, one puts one’s cap on the floor?
• Joint stretched in half lotus
• Femur-tibia joint
• Joint in a reflex test
• What one takes to demonstrate support for Black Lives Matter?
• You may get down on one
• Target for a doctor’s reflex hammer
• Word before 'deep' or 'jerk'
• Joint seen kicking, partially pulled back
• Body part with a silent first letter
• Part of the body mentioned in 'Oh! Susanna'
• Joint that a sock may cover
• Genu, in anatomy
• Dad-to-tot talk support
• It may be padded for sports