°A leather
scourge (multi-tail
whip), in the severe version known as 'great knout' with metal weights on each tongue, notoriously used in imperial Russia.
"1980: Spray and then slogging knouts of water hit the windows or lights like snarling disaffected at a mansion of the rich and frivolous. — Anthony Burgess, Earthly Powers"
verb
"1992: Different, isn’t it? It’s called kava, by the way. The Fijians make it by knouting some root or other. — Will Self, Cock and Bull"