Fetching details from the dictionary...

to pick; to pluck
to snip; to cut; to nip; to trim
花の先を指で軽く抓んでみた。
I lightly pinched the tip of the flower with my fingers.
塩を少し抓んでスープに入れた。
I pinched a bit of salt and put it in the soup.
赤ちゃんのほっぺを優しく抓む。
I gently pinch the baby's cheek.