To close out the year, we’ve asked our staffers to write about the best thing they bought in the past 12 months. Today, @kit.guo on the massage hook that soothes her stiff back: "It’s studded with knobs in varying shapes: round, acorn, and nub, each of which produces a different pressure sensation. The round knobs are best suited for lightly gliding over larger muscles; the acorn knobs, with their pointier tip, can knead further into the deeper tissues; and the nubs are best for digging into the areas surrounding the spine and lower back." Tap the link in our bio to read more.