To work with a cart pen and THC cart, the user just screws the THC cart onto the pen. When linked, the pen heats up the oil during the cartridge, either via a button press or by drawing to the mouthpiece, depending on the design. Total, THC carts provide a https://thccartridges81581.blogdanica.com/32604699/the-smart-trick-of-buy-carts-that-nobody-is-discussing