ProMark Cool Rods C-RodsProMark C Rods Cool RodsProMark "Alternative Sound Sources" offer a wide variety of alternatives to traditional drumsticks. ProMark Cool Rods are designed for a more delicate sound than the standard Hot Rods. Made of premium select birch dowels, these rods provide an excellent consistency and feel. With a sound somewhere between a wire brush and a hickory drumstick, rods are the perfect sound source for the "unplugged" gig.