ReadySteth ReadySteth from Richard Costa ReadySteth The ReadySteth is an exam tool that attaches to a physician's stethoscope. The device acts as both a reflex hammer and an examination light. gLike ReadySteth The ReadySteth is an exam tool that attaches to a physician's stethoscope. The device acts as both a reflex hammer and an examination light. Industrial Design Share R 7 n Available Freelance, Moonlighting Richard Costa Director of Industrial Design Bedminster, NJ Follow Contact