The full cheek gives control on the sides of the mouth, the lips and the corners of the mouth. This John Patterson contoured mouthpiece works off the bars of the mouth and allows extra room for the tongue.

Available in 4 1/2 & 4 3/4 Inches. The cheek measurements are as follows:

4 1/2 Inch Bit - 5 1/4 Inches
4 3/4 Inch Bit - 6 1/2 Inches
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