At last, he let me go and wiped his face on a wet handkerchief.
She held a wet handkerchief to her face.
She finished wiping her face with a wet handkerchief.
He bit into the wet handkerchief tied across his face and pedalled faster.
His breath covered my face like a soiled, wet handkerchief.
If possible wet a handkerchief, or other piece of material - the seat back headrest, for example - to cover your nose and mouth.
She clamped the wet handkerchief against her own mouth and nose.
Jack pulled the wet handkerchief from his face and smiled.
The wet handkerchief across the mouth and nose to filter out the worst effects of the tear gas.
Jamie sat up and mopped his face with the wet handkerchief.