A farrier is a specialist in equine hoof care, he trims and the placing of shoes on their hooves. Farrier uses small nails to hold the shoe on the hoof. These nails do not hurt the horse. Horse need to wear shoes to protect their hooves. An American Farriers Journal survey in 2012 found that the average annual salary for full-time farriers in the U.S. was reported to be $92,623 per year and for part-timers, $21,153.