"What it is: The Proxy Ball Cap features a 360-degree directional airflow that lets you move oil around the chamber bowl for even heating and maximum vapor production. The result is a more consistent, and more vapor filled hit. Dosing And Potency: Works with the PUFFCO Proxy. A Bit About The Brand: Puffco has brought together the disciplines of design, technology, and engineering with the mission of providing the best platform for user-friendly concentrate consumption. "