inno sense loose ring port medium 15 white 135 mmBits from the Inno Sense line can be used for all horses and are particularly suitable for young horses and or horses with a sensitive mouth. The Inno Sense bits are particularly hard wearing due to the use of a stainless steel core. When using an Inno Sense bit, there is a trusting, supple contact between the horse's mouth and the rider's hand.