78 TRAINING OF HORSES. 
The driving-lines must be attached to an easy bit, addi- 
tional to the check-bit. (See Figure 9.) 
KICKERS IN SINGLE HARNESS, 
Take the “ Yankee Bridle,” and give him a few strong, 
ively pulls to fix his attention upon your movements. 
(See Figure 7.) Handle him sufficiently in this manner 
to cause him to follow you, back, stop, stand, etc., as 
per previous instructions ; in other words, exercise him 
until you gain perfect submission, and get a good con- 
trol of the mouth. Having this accomplished, you 
may harness him, and place upon him one of “ Rock. 
wells Safety Lines,” which is made as follows: Take 
common blind bridle, with a double ring-bit, (see Figure 
6) instead of the ordinary bit. Attach to the loose 
rings the “ Overdraw Check,” (see Figure 9,) the round 
portion of the check-rein to pass through the gag-run- 
ners of the “ Overdraw,” the flat portion which usually 
belongs in the check-hook to be only about a foot in 
length, so that the check-rein will lie upon the curve of 
the neck; the loop which is made on the check-rein of 
the “ Overdraw ” by riveting the flat strap together: at 
the centre, to be one inch from the centre to the offside. 
To this loop attach a common driving-line; pass it 
through the off terret, in connection with the rein, the 
end being held in your hand. You will readily 
see by testing this, that if. the horse  cringes, 
-and attempts to kick, or to run away, you can, by pull- 
ing upon the extra line, throw his head in the air in such 
