Generally, hog ring pliers are used for two types of jobs. One is for those working with fencing. Sections of fence may need to be connected, or broken sections of fence repaired. These sections are joined with hog rings. The pliers are used to close the rings. But cheap hog ring pliers are most often used by those who do upholstery work. If you need to use them for several hours at a time, be sure your pliers have a comfortable grip to avoid getting blisters. The best hog ring pliers will have a padded grip for extra comfort.