Brandish
You stand on the forehead of your car, take your fingers and brandish them in the air! You wave them around for everyone to see.
Imagine standing on top of your car, brandishing your fingers in the air, all of the cars stuck behind yours honking angrily.
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What are you brandishing in your fingers? Your car's key (き)! You want every driver and every car to know that you aren't going to be driving ever again!
You brandish the key in the air and then throw it into the woods. No more cars for you! Everyone should follow your example! Brandish your car keys into the air and throw them away!