To open a Muha Meds Cart, you must first remove the rubber cap on the mouthpiece. Then, twist and pull the mouthpiece to remove it from the cartridge. After that, you should see a small hole where the mouthpiece used to be. Next, screw the cartridge onto a 510-threaded vape pen battery, and you should be ready to use it. If you're looking for a Muha Meds cart delivery, Grassdoor offers various options, so you'll definitely find the one that fits your needs.