I bought this back in the mid-late 2000’s. I still own it and it still works.
Being a man with a hairy ass, a grooming tool like this is really great to have. You can also trim your armpits an, legs, chest and genitals area. It’s pretty safe, quiet and cleans up nicely. The only thing I hate is when the batter runs out and only half of my butt is trimmed.