The lacy underwear is only obtainable only in Tranquility Lane and can be used to potentially break up the Rockwell marriage. It can be placed it on Roger Rockwell's workbench in their basement; after telling his wife that there is something she should see one can convince her that her husband is either cheating on her or a cross-dresser.
It belongs to Martha Simpson and can be found resting on her bed.
- When the lacy underwear is viewed in the Pip-Boy (by pickpocketing a Chinese soldier), where the item's picture should be it says "PipOS Error -26 [File Not Found]"
- Though it no longer serves any purpose, this item is still found in the game files for Fallout: New Vegas.