- Metal Sludge is the home of the absolutely worst people I've ever come across. It's populated mainly by unattractive plump females who publicly fantasize about having sex with guys in bands.
- —Trent Reznor
Nine Inch Nails is an industrial company lead by CEO Trent Reznor, in an attempt to abolish the existence of cracked, overlong, or generally bad nails. The company is set in Cleveland, Ohio.
Pretty Hate Machine: Reznor's first output. Discusses how damaging bad nails can be to a person's self esteem.
Broken: tips on fixing broken nails.
The Downward Spiral: Discusses the downfall of a person due to manicure problems if not taken action on.
The Fragile: How nails can break so easily, and what you can do to stop that before it's too late.
With Teeth: The effects of bad nails in sexual life.
Ghosts: A tribute to all those who died of manicure problems in the past.
Year Zero: Discusses the governmental stance on nail problems.
The Slip: General manicure issues.
Trent Reznor also works on another project, entitled How to Destroy Angels, though this is unrelated and serves mainly as religious discussions between members and guests alike.
He also works on another project called Filter, which shows how to filter the dirtiness of long nails.