1821 C. H. Townsend 197 The Wind's wild fingers grasp, With the fury of a fiend, the rattling window-clasp.
a1865 E. C. Gaskell (1866) II. v. 45 The window-clasp was unused and stiff.
1983 E. Boland The wind shifted and the window clasp opened, banged and I woke up.