A gravity bong, also called a geeb, is a makeshift machine used to smoke hashish or different smokable substances. It’s produced from two plastic bottles, one in every of which is stuffed with water and the opposite with the substance to be smoked. The 2 bottles are linked by a gap within the backside of the water-filled bottle, and the substance to be smoked is positioned within the gap. When the person inhales via the mouthpiece of the water-filled bottle, the water degree drops, making a vacuum that attracts the smoke from the opposite bottle into the person’s lungs.
Gravity bongs are well-liked amongst hashish customers as a result of they’re simple to make and use, they usually can produce a considerable amount of smoke. Nonetheless, they will also be harmful, as they’ll trigger customers to inhale dangerous toxins and carcinogens.