Shoe design also plays with the shell.

In today's era of material scarcity, people also pursue individuality, which is undoubtedly contradictory. Pencils can be refilled to maintain energy indefinitely, and phone cases can be changed to preserve your individuality; it seems that replacing parts is the ultimate way of innovation. Designer Grant Delgatty envisioned the Urshuz shoes, which can be disassembled and replaced. If you want, you can even create your own DIY version.