O.pen Sesh 510 e-rigO. pen Sesh 510 e rig The O. pen Sesh is a dab rig like you've never seen. Enjoy your favorite 510 thread vape cartridges or load your own concentrate for a highly sharable sesh. A simple click of the button allows you to control not only your temperature, but your dose, delivering vapor that maximizes the full potential of the plant. Lets sesh. Take control of your sesh with a simple click of a button maximize your dose and experience the full