CL1 Glass Hand Pipes are among the best hand pipes around. There are no two CL1 Glass Hand Pipes that are the same. Each hand pipe is unique, from colors, sizes to the shape of the piece. CL1 Also makes some of the best Heady Glass Dab Rigs, Recyclers, Kleins and Jammers around. His custom hand pipes are made of the best quality glass you can use when it comes to glass blowing. His attention to detail as a glass blower is apparent in every glass piece he blows.