leash

thumb|A clip-on leash attached to a Jack Russell Terrier's collar A leash, also known as a lead, lead line, or tether is a rope or similar material used to control an animal by attaching it to a collar, harness, or halter. In British English, a leash is typically used for larger animals that may be dangerous or aggressive, while a lead is more commonly used when walking a dog.

==Types of leashes== left|thumb|Nylon webbing leash, a common style thumb|right|Tenterfield Terrier on a long leash at a [[tracking trial]]