You can see at hand "Is it the key?" Let's eliminate the anxiety of forgetting to close with the key cover "checky"
Introducing "checky", a goods to prevent forgetting to close, which corresponds to the key to Miwa Lock. When you turn the key, the color of the small window changes, and you can see the locked / unlocked state at hand.
![October 2023] Magazine Supplement Character Edition Takarajimasya, Shogakukan, Hakusensha, Orange Page, etc.](https://image.enuchi.jp/upload/articles/13872/24d86f414519eb9aaab693ae346d93d2_related.jpg)
