This multi strap head harness features a plug in the front so you can control access to the mouth of your subject. Featuring multiple points of adjustment for a one size fits all fit, once strapped in they will be unable to escape. The muzzle at the front has a hollow leather wrapped tunnel, which extends one inch into the mouth, restricting their speech and keeping their jaws apart. The plug at the front is attached with a chain, and removes easily to allow access to their mouth. Measurements: One size fits all. Material: Leather, plastic, metal. Color: Black