Related Clues:

• ___ top
• Patella
• Place for a pad
• Stocking part
• Seat for a tot
• Bracelet site
• Deep ___ bend
• Sock type
• It's capped and may be slapped
• London subway, with 'the'
• Bendable part
• Site of many scrapes
• Kilts stopping point
• Joint with a cap
• Jumping joint?