Go-Go's ball weapon is a variation on the guillotine in "Master Of The Flying Guillotine"
Daryl Hannah's character, Elle Driver, is based on the character from this film.
The DiVAS are based on the Fox Force Five reference in "Pulp Fiction".
Michael Parks also played the Ranger cop in "From Dusk Til Dawn".
The close-ups into the eyes when we hear the "Ironside" theme and go into a flashback is very Sergio Leone.