Cross-strap design belt to correct rounded shoulders and slouching, size S. - Brand: magico (Nakayama-shiki) - Size: S - Color: Black - Purchase date: 2015 Thank you for viewing. I purchased this 10 years ago and used it for a short period, but it was then put away. When I tried to use it again recently, my body shape had changed and I couldn't use it. I definitely felt muscle soreness at the time, but I felt it was effective. The latest models are now sold, but this is a great option for those who want to try something like this. I bought it for around 3600 yen at the time.