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.