66 EESTEAINT OF DOMESTIC ANIMALS. 



H. & D. Sling. 



The H. & D. sling represented in Figure 72 is made with 

 a heavy sail canvas body girth (a) to which is attached the 

 breeching straps (g) and breast harness (f). This canvas body 

 girth is supported by and attached to a whiffletree (n). A block 



Fig. 73. An American Sling. 



and tackle is attached to the whiffletree in its center by means 

 of a hook. By this block and tackle (o) (p) sufficient tension 

 can be made on the body girth to support the animal. 



Figure 73 represents an American sling which is similar in 



