Slippery when wet!
Bioengineering Banter#6: Caution: Slippery when wet!
The perpetually clean lotus plant has water repellent properties that allow any aqueous solution to take dirt and dust off with ease. A recent report shows that bacteria, when in a biofilm, have harnessed the "lotus effect" as well!
https://www.nature.com/articles/s41522-017-0018-1
image from : https://www.britannica.com/plant/sacred-lotus