When it is not properly brushed, the scales stick up like tiny barbs, these small barbs catchloose, wooly undercoat hairs, dirt and debris, knotting and tangling them into a mass of solid hair that is almost impossible to comb through
Hairballs are a messy wads of digested food, saliva and gastric secretions that develop when cats self - groom and their sandpaper - textured tongues catchloosehair that is swallowed.