Brass Knuckles vape pen is one of the one of a kind vaping pens out there in two battery capacities of 900mAh and 650mAh. On top of that, it utilizes the pre-stuffed THC cartridges as it is usually a 510-threaded pen. The moment accomplished, turn the mouthpiece again and rotate it clockwise right up until snug, and mindful not to turn the mouthpi