Customers had to make chicken noises at the counter, like "Ek Ek Ek Ek" or "Cock-a-doodle-doo," and flap their arms like chicken wings to be eligible to participate. Additionally, when placing their orders, they had to use names that were inspired by chickens, such as "On-Ai-Et" for the Donjai Set, "Or-Ai-Uck-Et"...