Armament Systems and Procedures, Inc. is a US defensive compliance weapons manufacturer providing equipment to law enforcement and private security companies. ASP telescoping batons are widely used by law enforcement agencies worldwide.

A baton is a roughly cylindrical club made of wood, rubber, plastic, or metal. It is carried as a compliance tool and defensive weapon by law-enforcement officers, correctional staff, security guards and military personnel. The name baton comes from the French bâton (stick), derived from Old French Baston, from Latin bastum.