Loop a headpin with confidence using this tutorial. Whether it’s your first pair of earrings or your fiftieth, neat loops matter, and we’ll show you how. Let’s talk about how to loop a headpin, one of ...

The idea of a loop antenna is simple enough. It’s an inductor intended to respond to the magnetic portion of the wave rather than the electric part.

The Loop was ridiculously simple to use. I put the 3.5mm jack in the hole, rolled up the earbud cable, and I was done. The 3.5mm jack sat nicely in the donut ring, ...