ESD Heel Grounders Usually anti-static heel grounder is composed of conductive rubber, Velcro and conductive webbing. The static charge of human body can be safely discharged through the conductive webbing, which contacting the skin and the conductive flooring then discharged to the ground through the grounding system. It is the effective measure taken by the human body to prevent static electricity. The ESD heel strap is not limited by the scope of the grounding wire, so it is suitable for the staff with high frequency mobility.