Abstract: The present invention relates to the field of nail grooming and generally describes a novel nail-grooming device whose purpose is to allow a user to groom his or her own fingernails in both hands in an accurate, symmetrical and uniform manner, with minimal effort and without being required to acquire any skills that might be required by other devices. The device comprises a finger placement wherein a user places his or her finger, and a nail grooming machine with a nail grooming head suitable for nail grooming tasks such as filing, wherein the nail grooming head is capable of performing a cyclic movement against a nail of the finger placed on the finger placement for filing or other nail-grooming task, and wherein the nail filing machine also comprises a mechanism capable of triggering a sideways movement of the nail grooming head on a curved horizontal axis around the nail to allow circumferential grooming of the fingernail while the finger is statically placed on the finger placement.