Yeah, there's obviously room to improve the design and make it less bulky. In principle though, this actually looks quite practical. Existing protective cases

Yeah, there's obviously room to improve the design and make it less bulky. In principle though, this actually looks quite practical. Existing protective cases are bulky and detract from the aesthetics of the more high-end phones, and a bungee cord would be really inconvenient; it'd get in the way when using your phone and you'd have to detach it every time you want to step away for a bit.