Related Clues:

• ___ in (get under control)
• Stage lead
• Saddle strap
• It's a bit controlling?
• Bit strap
• Jockey's tool
• Sidewalk border
• Trigger controller
• Horse brake
• Bring under control, with "in"
• Arabian controller
• Steering strap
• Four-in-hand strap
• Horse checker
• Silver halter?