escape-valve

My last 'rant' at Friedman was about his lottery-based escape-valve special charity school with high quality education -- for a few lucky students.

Undressing Thomas Friedman 2008

Besides, a journal is such a good escape-valve for one's feelings!

Flint His Faults, His Friendships and His Fortunes Maud Wilder Goodwin

Who shall say what revolutions, what tremendous disasters, would not have overtaken Great Britain had it not been for the escape-valve of emigration hither?

The Continental Monthly, Vol. 1, No. 2, February, 1862 Devoted To Literature And National Policy Various

In fact, the choice of the Capital had turned a society, provincially content to run in accustomed grooves, quite topsy-turvy; and, perhaps for want of some other escape-valve under the new pressure, the townspeople grumbled consumedly.

Four Years in Rebel Capitals An Inside View of Life in the Southern Confederacy from Birth to Death T. C. DeLeon

Now and then, partly as an escape-valve for his overcharged conviction, partly in compassion to the ignorance of women in political economics, he threw off to Margaret divers commentaries on the text, as she passed in and out.

The Atlantic Monthly, Volume 08, No. 48, October, 1861 Various

This vengeance which Herr Hippe executed upon Furbelow seemed to have operated as a sort of escape-valve, and he found voice.

The Atlantic Monthly, Volume 04, No. 24, October, 1859 Various

Or a fool, perhaps, for all her sonneting, for there are men who relish a weak headpiece as the chiefest ornament of women, especially when its indeterminate vagaries boast an escape-valve remotely connected with the fine arts.

Judith of the Plains Marie Manning

See here, how handily I can cook one, "he added, striking his stick into a little cavity of a rock, from which, as from an escape-valve, hissed a jet of hot steam, --" see here, I nestle the egg in this little cleft, and it will be done in a twinkling.

The Atlantic Monthly, Volume 09, No. 51, January, 1862 Various

It hissed and spluttered and steamed like the escape-valve of

Marion Harland's autobiography : the story of a long life, 1910

Rufus Rastus was hangin 'to one of his arms, splutterin' things about this being a private car, and gettin 'no more notice taken of himself than as if he'd been an escape-valve.

Shorty McCabe Sewell Ford 1907