A total hand rivet is a manual fastening solution used to join two or more materials—often sheet metal, leather, plastic, or fabric—without welding, screwing, or adhesives. It consists of a rivet body and a mandrel (stem), which is inserted into pre-drilled holes in the materials. Using a hand rivet tool, the mandrel is pulled to expand the rivet body, creating a strong, permanent joint. This method is valued for its simplicity, portability, and reliability, making it popular in construction, automotive repairs, metalworking, and DIY projects where power tools may not be available.