How to Make a Low Frequency Intensifier

A plank card is a piece of plastic and some copper. It can be used to record information on the car's key fob. A wire runs from this device on your wrist, up your arm into my back,. pag out f the top of your hoody, into the arm of your back, back... And you didn't even notice till i showed you. That is super cool. So what we'll do now is i wll record the information from the key, ok?