Related Clues:

• Hitchhiker
• Contract clause
• Bus passenger
• Piece of pork?
• Horse's burden
• Amendment
• Subway patron
• Bill add-on
• One of 13-Down
• One on horseback
• Cyclist or equestrian
• Fare payer
• Band's demand list
• Agreement addendum
• *With fencing, running, shooting and swimming, a component of 41-Across