Well, my comment is in contradiction with the previous ones. It is a horror! This comb does not remove pilling, he pulls the wool !! A real massacre! And I made handling carefully though and happily! Whether on the coast coarse wool or finer mesh, wool or acrylic: same results! I do not see how I can convert the anti that stuff ... for my cat flea comb can be ?? No, I'm joking the poor!