The "sledge hammer" was a deadblow hammer containing sand or metal beads to distribute impact over a longer period of time. They used this dead-blow feature on

The "sledge hammer" was a deadblow hammer containing sand or metal beads to distribute impact over a longer period of time. They used this dead-blow feature on the Cybertruck, but twisted the hammer 90 degrees on the "competitor truck" door. You can even see the effect; in the three hits on the white door, only the two where the hammer was twisted left significant dents. [1] [1] https://twitter.com/paully_steaks/status/1197915960646107136 https://twitter.com/paully_steaks/status/1197915960646107136