The security door is too sensitive and the sign is magnetized. Uniqlo's security door is too sensitive. No matter whether it is touched or not, someone will pass by and it will ring. Moreover, not only the safety button on the clothes, but also the logo on Uniqlo's clothes will be magnetized when passing through the security door, so the security door will ring. Uniqlo, a Japanese clothing brand, was founded by Japan Fast Retailing Company on 1963 and has now become an internationally renowned clothing brand.