Left: hand 扌, right: reject 屏 (That the buttocks 尸 combine 并 is to be rejected) [并= When you are coming out 丷 of the open temple's gate 开, you shall be combined/united. 并]
Mnemonic
When the hand is rejecting, it discards to get rid of it.
When you are coming out 丷 of a buddhist. temple 开 you shall be united. - [开 = image of a temple's entrance gate with double upper traverses, which actually means "open", as these gates have no door]
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