Trust Sweet Iron Medium Port 2.5 Ring Eggbutt BitA 2. 5 ring bit is a milder version of a 3 ring (pessoa) bit. With this bit a leverage can be created. The lower the reins are placed, the stronger the bit becomes. An ideal bit for horses that are very strong or hold the bit. Compared to the 2. 5 ring, the eggbut rings cannot move loosely and therefore the rein aid works more directly. This is a straight mouthpiece with a medium port. The port allows freedom of the tongue. The port creates space for