A Great Shave Brush for Travel or Home use. Theres no denying a key tool in the prescription for the perfect shave is a badger-hair shave brush and we know the risk of losing yours is a haunting thought. As problem solvers at heart, we present you with our CR21, a 3-piece travel shave brush made by RAZOR MD. With the quality of a family heirloom, this unique shave brush can be stored in your gym bag or luggage and makes the perfect gift.