Subscribed to your channel! Looks like a nice pen! I've got one of those g-pro vaporizers and I'm not sure how I feel about it lol. I've been able to get a few good pulls off of it, but it's probably operator error more than anything. Never quite sure if the temp is too high or low, if I'm drawing to hard or what lol. Usually just go with a bowl or a "j" as it's harder to screw that up lol.