It's a coated insert to protect against shorts just in case you experienced destruction on your battery wrap, however, you should Usually inspect your batteries in advance of using and make sure the wrap isn’t broken. If it is you need to rewrap it, Online video Feels quite accurate perhaps https://thc-copyright-pods37173.widblog.com/89916419/buy-cbd-vape-online-copyright-can-be-fun-for-anyone