Related Clues:

• Lax
• Trotter's rhythm
• Droopy
• Not taut
• Double-quick, e.g.
• Rate of speed
• Wear a hole in the rug
• Horse's gait
• Rate of movement
• A lap a minute, e.g.
• Marathoner's concern
• Leeway
• Display anxiety, in a way
• Horse's motion
• Wear a rut in the rug