The only things that would work with animations are things like wings, tails, and ears so they can move with your avatar's animations and possibly scarves and dresses and maybe shoulder/head/follow/ect. pets/"NPC"s, everything else would be weird
ROBLOX IF THEY ADDED ADDED DYNAMIC ACCESSORIES TO BE LIKE HEADS; CAN'T WAIT TO USE THESE ACCESSORIES ON MY AVATAR; We are adding dynamic accessories that can move like heads; WHAT; I KNOW THAT SOUNDS BAD