So, I was fooling around online (as you do), and came across Dinkum’s Random Magic Item Generator from Rusty & Co. I let it spin a few times, and it came up with this: "Elven Drum of Armor. This slender hide drum surround the user with an unseen field of force, providing some protection while a rhythm is maintained on it. Additionally, the user sprouts pointy ears while wearing it. The protection doesn't stack with any armor the character may be wearing." A little whimsical for most campaigns, but I like using random generators to get the creative juices flowing and seeing where it goes from there.