Some laundromats have special sneaker washing and drying machines. You'll be able to try seeking using the term “コインランドリー スニーカー” (coin laundry sneaker) to search out one which is close by. Guidelines might or might not be in English, but commonly you place the sneakers in to the washing device, https://sites2000.com/story7319185/considerations-to-know-about-coin-laundry-near-me