Or bolts, nails, screws, any small metal you want. The MagnoGrip has 3 small but powerful magnets. The outer covering is made of ballistic nylon, which is highly resistant to scratches, while the inner covering is made of felt.
Perfect for interviewing prospective job candidates, this truth-detecting wristband is a must have for human resources managers.
The wearable TRUTH wristband uses a set of red and blue LEDs, tied to a circuit that measures GSR (galvanic skin response).