Myler 36 Three Ring Combination Bit Level 2-3 Independent Side Movement.The 06 mouthpiece oers less tongue pressure than the 36 but oers less tongue relief when the reins are relaxed. For more tongue relief and less tongue pressure, see the 43LP. Patented swivel purchase moves independently of both the mouthpiece and shank so that it doesnt dig into the horses cheek when neck reining Leather noseband.From The Level Best for Your Horse by Dale, Ron and Bob Myler. Toklat Originals, Inc. Very little if any leverage when using the middle rein position Mild leverage when using the bottom rein position