Related Clues:

• Tire-filling machines
• Tickers
• Some women's shoes
• Lifts in a gym?
• Some high heels
• Psychs (up)
• Slip-on shoes
• Shell collection?
• Tire inflators
• Gas dispensers
• Moves fluid or gas by pressure or suction
• Light dancing shoes - force air into
• Sorts of shoes
• They're well-connected
• Interrogates the footwear