How to build a parallel coil
Another multi-strand type of wire that doesn’t require tools and drills is the parallel coil. In essence, a parallel coil is made out of two or more wires wrapped next to each other. Resistance is divided by the number of wire strands, so make sure you are aware of your device’s limits when building parallel coils. For beginners, a dual parallel 26-gauge Kanthal coil would be a nice starting point.