Some laundromats have special sneaker washing and drying equipment. It is possible to try out looking utilizing the time period “コインランドリー スニーカー” (coin laundry sneaker) to locate one which is within sight. Guidelines may or may not be in English, but usually you set the sneakers to the washing equipment, https://commerciallaundryservicestips.blogspot.com/2024/03/5-essential-tips-for-efficient-and.html