152 



LOGGING 



double-tree or spreader when other animals are used. If the 

 chain is not supplied with a hook, the ring on the double-tree to 

 which the chain is attached is made with a narrow throat in which 

 a hnk of the chain is caught and held securely. The ring is often 

 replaced by a grab hook in which the chain is gripped. The 

 two latter forms of attachment are preferred because the chain 

 may be lengthened or shortened at will. 



Fig. 31. — A Turn of Logs at the Dump aloni; 

 fastened together with " single coupler " grabs. 



Skii)i)LT K.)a(l. 

 West Virginia. 



The logs are 



Tongs. — Tongs which may replace chokers for handling 

 medium-sized logs are made from round or octagon steel i| or 

 i^ inches in diameter, and have a spread of from 24 to 36 inches 

 (Fig. 30, h). A §-inch chain link is attached to each short arm 

 of the tongs and these Hnks are connected by a 5-inch steel ring. 

 In operation this ring is caught in a hook attached to the double- 

 tree but occasionally a hook is attached to the ring on the skidding 

 tongs, in which case the hook on the double-tree is replaced with 

 a ring. 



