왼쪽: 손 扌, 오른쪽: 끼일 夹(남편 夫, 양쪽에서 끼일 丷(두 사람 人이 있는 전통 挾) Left: hand 扌 right: squeezed in 夹 (husband 夫, squeezed from both sides 丷; traditionally 挾 with two persons 人) [For the pronunciation hasamu, think of scissors はさみ (= 鋏), which also involves squeezing].
니모닉
손을 넣으면 손이 끼어요. My hand gets squeezed when I insert it there.