Whatever you’re doing with your hand tools, by the US Army’s lights, you’re probably doing it wrong. That seems to be the “Green Machine’s” attitude on pliers and screwdrivers, at least, the main stars of this 1943 War Department training film on the horrors of tool abuse.
This is a companion discussion topic for the original entry at https://hackaday.com/2024/05/06/retrotechtacular-how-not-to-use-hand-tools/