18 SCHOOL-TEAINING FOR HOESES. 



his head too low, but the two bits 

 must not act simultaneously; when the 

 right hand is to play with the snaffle, 

 the left hand must ease the tension on the 

 curb-bit, and this rule for the indepen- 

 dent use of the bits must be observed 

 under all circumstances. Should the 

 horse hang back, the hand will yield, 

 and the closed heels will press him for- 

 ward, then the rider will renew the 

 action of the bit. When the corner of 

 the school is reached, the tension of 

 the curb-reins will for a moment cease, 

 and the horse will be turned in the 

 new direction by the snaffle-bit held in 

 the right hand; but before the change 

 is completed, the snaffle-reins will be 

 eased, and the outside curb-rein will 

 be carried against the neck of the 



