https://www.wowhead.com/item=201365/brackenhide-gnoll-guard

ATT has it marked as "never was available"

This has been added at some point :)
Edit: this was added in 42ca0fb#diff-00c0ab7a7adab3ccf9935b13f72f3d48c45e954957088eb851276bdbc7a8bfeeR9.