[Applicable Fabric] The lint remover works on flat fabrics with short thread ends. Perfect for carpets, carpeted stairs, car floor, car mats, cat trees. Not recommended for low-density silk, yarn or knitted fabrics. [Easy To Use] First scrape lightly to test whether the fabric is applicable. Then choose a suitable force, angle (<10 or 30~45), and direction (scrape backward or push forward) to clean. Finally, use the vacuum cleaner, the effect is amazing [Money-Saving Choice] No need to buy additional refills repeatedly, no need to recharge or replace the battery. Made of pure copper (scraper), alloy (body) and beech wood (handle), it is very durable. [Gift Idea] It is a great gift idea for pet owners.