Even the best-designed boat anchors are suboptimal in their holding power; when they... ...archers at MIT have developed the prototype of an anchor that drills into the sediment using the same mech...
https://www.neatorama.com/2010/03/26/the-biomimicry-of-the-roboclam-boat-anchor/
The Biomimicry of the "RoboClam" Boat Anchor
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