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The Mullen is a strong bit which creates direct pressure on the tongue. Used for a strong older horse and will also bring the head down.
The Spinner sits on top of the horses tongue and prevents the horse putting its tongue over the bit.
The Mullen Spinner applies pressure across the tongue and bars. Pressure applied to the tongue is direct and constant. The spinner sits flat on the horses tongue, due to the wide center component, pressure is spread over a large surface area. The Mullen has been shaped to fit the curve of the horses mouth, this curve also allows pressure to be spread over a large surface area. Due to the mouthpiece being a solid, there will be no squeeze on the bars. The Mullen is available in Sweet Iron. The Sweet Iron material was chosen as a metal option as it oxidizes. Oxidization encourages salivation and acceptance of the mouthpiece. The Mullen Spinner is not flexible.