贞
=
⺊
+
贝
:
Mnemonic symbol: a girdle of chastity. James II of England (zh) wants to get rid of his girdle of chastity (贞). In front of the encampment ((e)n1) he asks the crab (贝) to destroy the girdle, but the crab waves with a pennant (⺊) instead to alarm the royal guard.