倍足綱

倍 = 亻 + 咅 : Beelzebub (b) made seven times (倍) three poo-poos (咅) in the Eiffel Tower's bathroom (ei4) and challenges Rosa Luxemburg (亻) to tell him how many poo-poos there are. Rosa should take great care: every time she gives the wrong answer Beelzebub doubles (倍) the number of the poo-poos.

足 = 龰 + 口 : Mnemonic symbol: a football. Zapatista Zebra (zu) wants to pimp his football (足) in the space station's kitchen (Ø2). He thinks that a few more vitamins wouldn't hurt, so he extracts the vitamins from a mandarin (口) with a syringe (龰) to inject them into his football.

纲 = 冈 + 纟 : Guy Fawkes (g) wants to become a fisher of men, so he sets up a net in front of the anglepod (ang1) between two ridges (冈). The silk worm (纟) helps him by spanning the head rope of the fishing net (纲) between the two ridges.