The RAW Hemp Pipe Cleaners Bristle Bundle is very absorbent and durable due to its bristles and the fact that it is wrapped around a flexible, banded iron core. Use them to get the rig or pipe cleaned the natural way. New RAW technology! The RAW Soft Hemp Pipe Cleaners effectively remove grime from pipes without damaging the hemp fibers. Easily place an order with the press of a button from the comfort of your own home by visiting our online headshop now.