Okoshi Chu Seisakusho, an armor manufacturer in Koshigaya City, Saitama Prefecture, produces "Bottle Armor," a suit of armor for sake bottles. The "Mini" version, which can be worn on wine bottles or 4-go bottles, costs about 80,000 yen, and the version for 1.8L bottles is quite expensive, costing about 100,000 yen. This has been a hit with tourists from overseas, and has become popular as a luxury Japanese souvenir.
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