縫わない靴とモジュラー靴
https://www.instructables.com/id/No-sew-Shoes/
https://gyazo.com/74f4fe65b9696baa997778bf1802abad
https://www.instructables.com/id/Modular-Shoe/
https://gyazo.com/f183353142d4b685e68c14fa659042d8