To prevent it from spilling, make sure you pack it tightly. Lastly, switch on your vaporizer and take a few draws. Work your way up if necessary, starting with tiny puffs. Make sure your THC vaporizer is charged first. Next, load your vape with your desired THC concentrate. Most devices come with a USB charger, so just plug it in and wait for cannabispen.co.uk the battery indicator to turn...