It works to minimize air resistance from the machine. It can also be used on aircraft, but increasing the number of protrusions, the effects of which are unknown, raises air resistance and decreases the number of tires.

You can increase or decrease elements related to martial arts. When used in conjunction with the word 'knight,' you can adjust the amount of armor.

- target: "fighter"
  positive: "fighter, aircraft, military, aviation, airforce, dogfight, interceptor, combat"
  action: "erase"