Phillipaa workhorse is defined as: a horse used for plowing, hauling, and other heavy labor, as distinguished from a riding horse, racehorse, etc. Also, a person who works tirelessly at a task, assumes extra duties, etc. Designers' Details Zoe has always had a fondness for horses. She took lessons as a child and rode throughout college. A self proclaimed "horse nerd" she loves to wear this small but substantial necklace. Specifics mixed oxidized sterling