Related Clues:

• A horse may do it when initially meeting hybrid
• Equine utterance
• No sound that comes from animal
• Horseshoe sound
• Info brought back about one horse nicker
• 'Second turning on the right,' you say angrily
• Hinge (anag.)
• The sound of a bay is no sound
• Take cocaine (sl.)
• Neither gets in the way of having a snifter
• Said no horses can do it
• Nostril wrecked, I left off act of taking cocaine
• Horse's noise
• Sound of horse's hoof against hard surface
• Sound of horse's refusal?