An antistatic wrist strap, ESD wrist strap, or ground bracelet is an antistatic device used to safely ground a person working on very sensitive electronic equipment, to prevent the buildup of static electricity on their body, which can result in electrostatic discharge (ESD). Feel Free TO ASK me questions

An antistatic wrist strap with crocodile clip. Reference: http://en.wikipedia.org/wiki/Antistatic_wrist_strap