DRIVING BITS THE LIVERPOOL. 



259 



THE LIVERPOOL. 



The Liverpool is the most commonly used of all driving 

 bits. It consists of a bar mouth-piece, smooth or with a 

 half twist, cheek-pieces and rings, through the centre of 

 which the cheek-pieces pass and form a part. The mouth- 

 piece is fixed, z*. e., stationary, sliding or reversible. The 

 cheek-pieces are flat, and in the lower arm are two openings 

 drilled to receive the billets of the reins. At the ends of the 



FIG. 123, 



upper arms are eyes to which the points of the cheek-pieces 

 of the bridle and the curb hooks are attached. The shaft 

 for the sliding mouth-piece is made round or square, the 

 latter shape prevents the rings from bending in. The meas- 

 urements of the average size bit of this type are as follows : 

 Diameter of mouth-piece at heaviest point nine-sixteenths of 

 an inch. Width of lower arm of cheek-piece eleven-sixteenths 



