The concept is interesting and I can absolutely see the appeal for those without the use of their arms/hands or otherwise impaired. However I also see these we

The concept is interesting and I can absolutely see the appeal for those without the use of their arms/hands or otherwise impaired. However I also see these wearing out very quickly, due to the elastic band stretching and the flexible part of the sole falling apart due to wear. I also wonder how it will deal with dirt, grit and small debris falling between the soles.