Over the past few years, designers have made significant strides on the prosthetics front, blending modernist aesthetics with state-of-the art functionality. At the same time, biomimicry – design and engineering innovation inspired by nature's systems and organisms – has been a rapidly growing area of R&D interest. Now, from designer Kaylene Kau comes a highly functional, sleek prosthetic arm inspired by the tentacle of an octopus.