Light to medium severity, three piece mouth, center piece measures 1 1/2'' and has loose copper rollers. Three piece mouth allows more bend than a two piece mouth. It also allows more tongue relief. This mouth piece works on the outside bar pressure points. Has copper inlayed bars. 

• Dutton Bits 5" dog bone mouthpiece with copper rollers 
• Heavy Loose Ring Cheek 
•  Ring: 3.5" 
• Made in the USA