shark surface example

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Ever find yourself fishing through knife-infested waters while doing the dishes in the sink? Between suds and dirty water it can be hard to see sharp objects below the surface, and dangerous to dip and hand in to try and find them.

shark sink diagram

shark floating knife


Hence this ingenious solution proposed by Kim Sangun, Kang Yujin, Jeong Eunjoo & JungJun Park designed to surface the handle end so you grab the right part and avoid cutting yourself.

shark knife diagram

shark fin knife

The grip portion floats up thanks to a pocket of air in the back and, for good measure, a weighted thicker tip that helps keep the blade facing downward. The name and design is inspired by the fin of a shark, warning you of a dangerous creature below.