How Tootsie Rolls saved marines during the Korean war

In the Korean War, U.S. Marines at the Chosen Reservoir received Tootsie Rolls instead of mortar rounds due to a miscommunication. This unexpected delivery turned into a lifesaver as the candies were used to repair cracked fuel lines, allowing the troops to escape. The Marines credited Tootsie Rolls for their survival and called themselves the Chosen Few.

How did the Marines utilize the Tootsie Rolls to fix their vehicles?

What nickname did the Marines who survived the ordeal give themselves?