snake charming / a snake charmer

snake slough; snake's exuvia

snakeskin / (dermatology) peeling skin syndrome, as if moulted like snakeskin / Short for 蛇皮線 (jabisen): a 三線 (sanshin, “Okinawan fretless lute”) usually made from snakeskin

snake wine

adder (viper)

(idiomatic) unnecessary trouble brought upon oneself; stirring up a hornet's nest

sandbank in a river

Euphrates (a river in the Middle East)

Edo River / Edogawa (one of 23 special wards in Tokyo prefecture, Japan) / a surname

going downstream, e.g. in a boat