- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
A traditional Klingon dagger with extra blades that -- with the flip of a switch -- snap out at an angle below the main blade, to make the knife even more deadly. It has been in use for over a century, possibly for a good deal longer.