4 inch Cheeks, 5 inch Mouth. 3/8 inch Twisted Sweet Iron Dog Bone Snaffle. This bit is a great alternative to the traditional ring bit. Its creative design offers direct control for supplying and head set. The Sweet Six works off the corners of the lips, tongue and bars. The curb design allows additional pressure area for control and education. Best used in the training process with split reins and chain curb. This bit can be complimented with a running pole or German martingale. Adjust to a neutral position with one wrinkle in the corner of the mouth.