This is a raffle where the prizes are attached to strings which are then bundled together so that the customer does not know what prize they will win when they pull the string.
-紐の先に色々な景品が結び付けられており全ての紐を一ヶ所に束ねている為、何が当たるか判らないという工夫をした、紐を使ったくじ引き。