Related Clues:

• Top surface of step
• Business - deal
• Business - (kind of) wind
• Personal occupation
• Put one's foot down!
• Moulded part of a tyre
• Step (heavily)
• Subject of some international agreements
• Swap cards
• Road holder
• Stock deal
• The "T" of NAFTA
• Shoe feature
• Subject of a sports deadline
• Gripping pattern