The put on command is, by default, mapped to shift + P It is used to put on amulets, rings and eyewear. It is not used for wearing armor (see Wear). If you choose to put on a ring, you may be asked: "Which ring-finger, Right or Left? [rl]" Press r or l to choose, as indicated. You do not have to Take off your gloves to put a ring on. Strangely, you also do not need to take off your gloves if you Wore them after putting on a ring, either...