t-dub
Vapor Sloth
You can get shorter session times out of it, but you gotta mess with it a little. I find that tamping down the load helps a lot, even during the session, its easy to pop off the cap, ram and replace. If you wish to reduce session times preheat, load less, stir and tamp. Doing this with water tools I have been able to cash loads quickly and exhale larger vapor streams that travel along the ceiling like they should. It really is a robust little device that is friendly to different techniques