齔

匕 = 丿 + 乚 : Brunhilde plays a game inside the space station's living room (Ø3) using zero gravity: using a big ladle (mnemonic symbol for 匕) and a shovel (乚) as bats, she beats a banana (丿) back and forth.

齿 = 止 + 凵 + 人 : Charlie Chaplin (ch) has an aching tooth (齿), and Neanderthal Man (人) is about to help him take it out using an electrical barrier (止) in the space station (Ø3). They attached the barrier to the tooth and as Neanderthal Man will plug it into the receptacle (凵), the barrier will pull out the tooth.