The Collaborative International Dictionary of English v.0.48:
Sneck \Sneck\, n. A door latch. [Scot. & Prov. Eng.] [1913 Webster] Sneck band, a latchstring. --Burns. Sneck drawer, a latch lifter; a bolt drawer; hence, a sly person; a cozener; a cheat; -- called also sneckdraw. Sneck drawing, lifting the latch. [1913 Webster]