HEMPER Hourglass RigDescription First featured in the Kimmy Tan collaboration box, the HEMPER Hourglass rig features a dropped showerhead percolator. The unique shape of the hourglass compliments water percolation perfectly. Due to its concaved sides, water that is splashed up is deflected back down to continue to mix with hot smoke. It also acts to prevent any unwanted splashback into your mouth, even as such a compact and flavorful rig! If you aren't familiar,