/ck/ - Food & Cooking

>>18070563
>>18070591
>>18070600
>>18070637
Using a tether, the operator makes a circuit with the machine that serves as the shut-off signal. When the machine is running, if that circuit is ever completed, the blade is immediately plugged to a stop. No damage is done to the machine or operator.
That guy in that webm isn't using that kind of setup, though.