NITORI's "Cuttable Butter Case" is so convenient! No messy hands or knives, cut into equal portions of about 5 grams and store as is!
Even if you buy whole butter, it is a hassle to cut it every time you use it. Then, the "Cuttable Butter Case" can help. This item allows you to cut butter evenly without getting your hands and knife dirty! It is 999 yen at NITORI.