Bits are almost universal in horse riding, yet their welfare implications are significant and often ignored. Evidence-based guidance can reduce bit-related pain and improve welfare.
Bit welfare is one of the most underacknowledged welfare issues in equestrian sport. The near-universal assumption that bits are neutral tools if used "correctly" conflicts with research showing high rates of oral lesions in bitted horses, particularly at competition level. Tight nosebands — which prevent horses from opening their mouths to relieve bit pressure — are associated with physiological stress responses and are commonly used in dressage and show jumping. The equestrian community has been slow to engage with bit welfare research, and cultural resistance to acknowledging that traditional equipment causes harm is significant. Evidence-based guidance points toward lighter, well-fitted bits, appropriately loose nosebands, rider training in soft contact, and openness to bitless alternatives where discipline rules permit.