1.   - Use the collar as an adjunct to more traditional obedience training.

2.   I also use cod collars, the cartilage between the head and the body.

3.   In fact, I no longer use the collar except for off-leash training outdoors.

4.   Shock collars are commonly used to teach dogs to stay clear of snakes.

5.   The GPS devices are one-size-fits-all, and they are fitted onto the various animals using customized collars.

6.   The study uses four collars, rotated among the cows so that the grazing choices of the entire herd are reflected in the data.