The Japanese flip flops have six lines on the strap. https://en.tsukumo2013.co.jp/stuff

It’s available in European sizes up to 54. https://en.tsukumo2013.co.jp/stuff

The oldest existing flip-flop factory in Japan. https://en.tsukumo2013.co.jp/stuff

Dies that have been carefully used for over 30 years https://en.tsukumo2013.co.jp/stuff

Each pair is carefully cut one by one. https://en.tsukumo2013.co.jp/stuff

Various types of dieboards. The sheet of rubber made like the flip-flop is pulled out using this dieboard. https://en.tsukumo2013.co.jp/stuff

The straps are carefully cut one by one. https://en.tsukumo2013.co.jp/stuff

August 3rd is Flip Flop Day in Japan https://en.tsukumo2013.co.jp/stuff

Strap molds and manufacturing method. This is how straps are made. https://en.tsukumo2013.co.jp/stuff

A 40 year old strap mold. I continue to use it with great care. https://en.tsukumo2013.co.jp/stuff