Cat Dog Nail Clippers [Supervised by Pet Product Experts] Nail File Nail Care 3-Piece Set with Guide I bought it but didn't use it. I opened the box and took out the contents, but it's unused. Details: [Expert Supervision] This product was developed by an expert who has supervised numerous pet products, pursuing "nail care that pets won't dislike." A nail care guide that is easy for beginners to use is included. [Achieves Comfortable Cutting] The included grinding rod improves the sharpness of the nail clippers, providing a consistently smooth and comfortable cutting experience. [For a Smooth Finish] Using the included nail file to smooth the nails prevents nail splitting and scratches on the body.