勺
=
丶
+
勹
:
Mnemonic symbol: as 勺 should not be confused with 匕 (ladle), the mnemonic symbol for 勺 is a small silver spoon.
Sherlock Holmes (sh) feeds an elephant (勹) medicine in the aorta's kitchen (ao2). The medicine looks like a petal leaf (丶), and Sherlock Holmes uses a small silver spoon (勺) to feed it to the elephant.
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.