Not a plot bunny, per se, but a hell of a detail to insert into a Christmas Contest Story. Might have to work with this one.
Not sure why your ideas resonate so well with me, sirhugs, but keep 'em coming. And yes, Jeninflorida's suggestion will not be ignored if we go there.
So many ways to take this, some definitely scary. Human Xmas tree, BDSM style? Gloryhole ornamentation? Most ornaments hung with care from a single branch?