Three parallel chambers define this sushi mold where pressed rice becomes edible architecture Bamboo box holds three rectangular cavities. Press oshizushi layers firmly until rice and fish merge into compact blocks. The oshibako tool teaches patience through compression. Each cavity creates one perfect pressed piece. This sushi mold honors Osaka tradition where sushi was pressed in wooden boxes before rolling became fashion. Fill chambers with seasoned rice. Lay fish across surface. Press with bamboo lid. The three paths represent learning stages. Natural grain never releases flavor into food. This Japanese sushi press proves simplicity achieves precision through single purpose design. Material: Bamboo Dimensions: 9.1 × 3.2 × 3.9 in (23 × 8 × 10 cm) Design: Three parallel rectangular chambers Capacity: Creates 3 pressed sushi pieces simultaneously Style: Traditional oshibako pressed sushi mold