Weed carts, or vape cartridges, are compact devices for vaporizing cannabis oil. They operate when the user inhales, triggering a battery-powered atomizer to heat the oil in the cartridge, creating vapor to inahle. This system, encompassing a cartridge, atomizer, battery, and mouthpiece, offers a discreet, odor-minimized, and convenient cannabis consumption method. The THC vape pen/vape cart/THC cart activates as soon as the liquid THC oil is inhaled. This is a convenient and discreet way to consume THC compared to other methods like if you smoke THC flower making it desirable by vape users.