Originally Posted by DonFischer
Horse's chewing wood I have always heard was called "cribbing". Have had a few horse's over the years and every one of them did it.

Nope cribbing and just chewing are two different things. As Don ( Huntsman22 ) said cribbing is wind sucking

If God wanted you to walk and carry things on your back, He would not have invented stirrups and pack saddles