Because Dew so kindly asked, here's an article that tells you how snakes came to develop their slithering movement.
Rich speaks in "parseltongue" about our human love/hate relationship with snakes, shares a fun riddle and relates how snakes lost their limbs and evolved their unique slithering locomotion.
All that in just a 9 minute read!
https://medium.com/swlh/do-you-know-why-snakes-slither-8ee00572694e