IMG_1592.jpgI use home-built ear-rigs for all my singers. Mainly to custom-fit them to each singer's ear. I use heat shrink to seal it all together. The trick here is to find 3:1 heat shrink so that it will fit over the mic element and shrink up small enough to keep the wires all tight. I bought white heat shrink which we color to match each actor's skin tone. Cheap and easy!