Based on the available information, LuckyTail appears to be a legitimate company. They offer a Dog Nail Grinder Trimmer that has received positive reviews on Amazon, with a 60% 5-star rating based on 7,515 total ratings. However, the reviews on Trustpilot are mixed, with an average rating of 3.2. It's always recommended to do thorough research and read multiple reviews before making a purchase.