To use a cart pen and THC cart, the person basically screws the THC cart on to the pen. The moment linked, the pen heats up the oil within the cartridge, both via a button press or by drawing on the mouthpiece, depending on the product. Remember to consume responsibly. https://buycartsonline55444.designertoblog.com/63987851/examine-this-report-on-buy-carts-online