Related Clues:

• Unlocked
• Unable to part?
• Lacking tread
• Like Ike?
• Like old tires
• Completely smooth
• Like very worn tires
• Sans tread
• Un-locked?
• Having no need for a comb
• Tress-free
• Like some eagles or tires
• Without hair
• Lacking hair on the scalp
• Lacking hair on the head