Connections

The Sisters wear the same colors (red, green, blue) as the good fairies in this movie and serve a similar purpose.

Refers to "the professional treatment - no women; no children"

Both movies feature a scene where a child listens to music on a Walkman to drown out noise during a gunfight.

There is a sign for a "Fight Club Sandwich" in the diner.

Mentioned by the doctor.