Fetching details from the dictionary...

to pinch; to hold (between one's fingers); to pick up (with chopsticks, tweezers, etc.)
to pick up and eat; to snack on
to pick out (the main point); to summarize; to sum up
to bewitch; to possess; to fascinate
頬を抓んでみたら夢じゃなかった。
I pinched my cheek and it turned out it wasn't a dream.
母が赤ちゃんの頬を軽く抓んだ。
The mother lightly pinched the baby's cheek.
子供が砂場の砂を指で抓んでいる。
The child is pinching sand from the sandbox with their fingers.