Readings
Kun readingはさ.む、はさ.まる、わきばさ.む、さしはさ.む RadicalComponents
Mnemonic (RtK)
ⓘfinger · fingers · scissors · husband · horns
From "Remembering the Kanji" by James Heisig · Frame 1357
Compound words
to pick up (with chopsticks) being stuck between a rock and a hard place