If you encounter a grizzly bear while fishing, cover your face with your hands and lie face down on the ground.
 Times, Sunday Times
   After opting for the night bus, she tried to cover her face with her hand.
 The Sun
   Then she tried to cover her face with an extralarge purse.
 The Sun
   Cover her face — or, at least, her forehead.
 Times, Sunday Times
   But it's thick, so you don't need much to cover your face, and it absorbs easily.
 Times, Sunday Times