It's a coated insert to guard from shorts in the event you had hurt on your battery wrap, however, you should Generally inspect your batteries right before using and make sure the wrap isn’t broken. Whether it is you need to rewrap it, Online video The Revenant Vape Delta Squonk https://collinvuqrm.activoblog.com/39028360/rumored-buzz-on-where-to-buy-geek-bar-vape-online