The Non-slippery Hand: Fingers Wrinkling From Water Might Be Intentional

Amazoniac

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It's just an interesting hypophysis..

- Pruney fingers grip better : Nature News

"Changizi [link below] thinks that the wrinkles act like rain treads on tyres. They create channels that allow water to drain away as we press our fingertips on to wet surfaces. This allows the fingers to make greater contact with a wet surface, giving them a better grip.

Scientists have known since the mid-1930s that water wrinkles do not form if the nerves in a finger are severed, implying that they are controlled by the nervous system."​

- Are Wet-Induced Wrinkled Fingers Primate Rain Treads? (!)

"Wet-induced wrinkles may, in fact, be substantially superior to ‘rain treads’ on shoes, which maintain a tread even when under compression and thus have a surface area of contact that is reduced. Wet-induced wrinkle treads, on the other hand, are pliable, and the act of pressing a finger tip down on a wet surface ‘squeezes’ the fluid out from under the finger through the channels, and upon completion of this single pulsatile flow the entire finger’s skin contacts the surface."​

[. . . Brewing Nike's contact form . . .]


There probably already exists a thread created in prehistory by Zeus on this. I know it.
 
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