Myler Eggbutt w/Short Shank Mullen Low Port Barrel Bit w/Hooks - Copper InlayLevel 2 3 Basic training with a good disposition and self control, can handle more tongue relief Advanced training but a challenging disposition anxious, aggressive, or fearful Ported, offering more tongue relief than level 1 or 2 Correctional mouthpieces that apply some tongue pressure or curb mouthpieces that apply little tongue pressure Uses more bar, poll, chin pressure than level 1 or 2 Curves to allow more room for the tongue Options with and