Netflix Series Divergent Canon
The knot is used in a different context, when Violet is fashioning climbing gear.
Additionally, it is implied that Violet didn't invent the knot: Snicket says Violet "imagined my good friend Mrs. Comstock saying, 'Have you considered the Sumac knot?'" C.M. Comstock is the author of the book about Female Finnish Pirates, where Violet learned the Devil's Tongue Knot.