Other types of surfing include knee boarding, surf matting (riding inflatable mats), and using foils. The fur is textured but glossy, which decreases the occurrence of matting. The surface may be of grass, dirt, rubber, or special matting. Cool water is also recommended when shampooing, to reduce or prevent matting and excessive tangling. After collection, the grass was used as material to create matting and bedding. Additional pollution control measures include silt fences, erosion control matting, and shoreline restoration. Grooming is necessary to prevent the fiber from matting and felting on the rabbit. Spaying and neutering can alter coat texture, making it softer and more prone to matting. The preserved cuticles are also aligned in a unidirectional manner, which decreases tangling and matting. The hair behind the ears is particularly susceptible to tangling and matting. Felt is a textile material that is produced by matting, condensing and pressing fibers together. Many playgrounds have been fitted with impact-absorbing matting surfaces. Waxes confer matting effects and wear resistance to paints. Making twine, rope, and matting are among its uses. This was followed by the laying down of several layers of matting and concrete.