This porn video tag, "anal-jewelry," is a combination of two elements. The first part, "anal," refers to anal sex, which is a sexual activity involving penetration of the anus. The second part, "jewelry," implies that there may be some type of decorative items involved in the scene, such as anal beads, plugs, or other BDSM accessories. So, this tag represents a porn video featuring anal play with the use of various types of decorative anal accessories.