Trust Inno Sense 2.5 Ring Eggbutt Medium Port BitThe 2. 5 ring eggbutt is a milder version of a 3 ring (Pessoa) bit. Leverage can be created with this jaw piece. The lower the reins are placed, the tougher the bit becomes. An ideal bit for horses that are very strong on the course, grasp the bit or walk through the hand. The eggbutt rings cannot move loose and therefore the help of the hand works more directly. This mouthpiece is a rod with a medium port. The tongue arch provides more tongue freedom