Switchblade

Fallout 2
The blade of this small knife is held by a spring. When a button on the handle is pressed, the blades shoots out with a satisfying "Sssssshk" sound.

Fallout Tactics
The blade of this small knife is held by a spring. When a button on the handle is pressed, the blades shoots out with a satisfying "Sssssshk" sound.

Fallout 3
In Fallout 3 the Switchblade is a melee weapon that lacks the humourous description of the versions in the earlier games. It is affected by the Melee Damage Bonus from Strength.

Locations

 * Switchblades can be found on random Raiders or Talon Company Mercs across the Wastelands.

Switchblades can also be found:
 * Springvale School, on the upper level, stabbed into the desk with the diary terminal
 * Vault 101, if you kill or pickpocket Butch while escaping the Vault.
 * Butch's Toothpick, a unique can be found on his corpse when he is killed outside of Vault 101
 * Canterbury Commons, two can be found in Dominic and Machete's Garage.