A double hold-up / Kep.
Illustration shows a man labeled "Producer" laden with farm produce stopped on one side and a man labeled "Consumer" stopped on the other, in between them is a masked man labeled "Food Speculator" who is pointing handguns labeled "Cold Storage" at both. They have been ambushed on the "Road of Supply and Demand" and the middle-man is now going to profit from both the producer and the consumer.
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