Coils are one of several components that are vital in a vape device. Forget the embellishments and showy UK vape accessories you can find for many mods, there are a few elements to a vape set up which you’ll find time and time again in every device. The coil is small but important and can lead to total satisfaction or a damp squib of a vape hit. Coils may seem simple on the surface, but there’s a surprising amount weighing on these little stretches of wire.