Which preposition to use with unmasks

at Occurrences 1%

It is one of the consequences of civilization that we are denied the privilege of unmasking at the behest of the elemental emotions; that we are constrained to bleed decorously.

for Occurrences 1%

It is hardly likely to unmask for a Taube.

in Occurrences 1%

When we unmasked in the theatre, you know, I did not know you were my landlord, and you did not know that I could not pay a few picayunes of rent.

into Occurrences 1%

The allegory is so good that one is absolutely sorry when it breaks down, and the poem says in plain words that which is the subject of the figures, bringing truths unmasked into the midst of the maskers who represent truthsthus interrupting the pleasure of the artistic sense in the transparent illusion.

to Occurrences 1%

"We will make something to laugh at," said the Cavalier; "we will unmask to each other, and when we find each other first cousins, the laugh will come of itself.

Which preposition to use with  unmasks