GRAV® WOBBLE BUBBLERPRODUCT DETAILS Smoke it, tip it, spin it all around. The Wobble Bubbler is a mini bong for people who like to have fun with their flower. Inside, the curving hook downstem sports a row of four holes to gently diffuse smoke through water. Positioned away from the joint and bowl, the holes stay submerged when you tip the piece toward yourself to light up. Above the water chamber, a glass mushroom dome fills with swirling smoke as you draw, creating a