a compact and foldable survival tool includes a firearm including a trigger and safety lever with many unique features including a compact and folding survival tool with an easy - to - manufacture top strap , a rack and pinion hammer actuator , dual lasers for distress signaling and target and ranging sighting , reconfigurable multiple tools , contained child - safety lock system , folding trigger with safety lever , cam hammer lock , floating firing pin , and cylinder pin assembly positive cylinder lock , for example .