Over the weeks you spend curling, your synthetic brush head accumulates a lot of dirt, lint and other debris that eventually gets difficult to remove with the scrub brushes at the end of each sheet. If you find your brush head looks particularly dirty, you’ll need to clean it with detergent and water. Here’s how. There is no reason to be concerned about compliance with Curling Canada or WCF regulations for a WCF-approved 55 Oxford Nylon 420 Denier mustard-yellow brush pad or sleeve; neither Curling Canada nor the World Curling Federation have a policy regarding the cleaning of sleeve or pad fabric, so cleaning the fabric with a small amount of detergent (not soap) and rinsing thoroughly will be just fine. Today’s brushes feature removable pads that are held in place by the two large bolts on either side of the handle. The synthetic pads are typically nylon cloth over a thin piece of foam, mounted to a plastic base