HSK 7-9
搓
cuō动
to rub or roll between the hands or fingers; to twist
天冷时他不停搓双手。
Tiān lěng shí tā bù tíng cuō shuāng shǒu.
He rubs his hands constantly when it is cold.
Say it
Hold the button, say it, then let go.
Also free:
Appears across levels (7-9) in the HSK 3.0 word list.