Almost always used adverbially as お手柔らかに. Often a polite request to go easy on someone, e.g., in a game or competition.
See also: お手柔らかに
初心者なので、お手柔らかにお願いします。
I'm a beginner, so please go easy on me.
今日はお手柔らかに頼むよ。
Take it easy on me today, okay?
gently; mildly; leniently · go easy on me/us/them; don't be too hard on me
From honorific prefix お + 手柔らか (teyawaraka, 'gentle'). The exact historical derivation of 手柔らか is uncertain.