A rare Art Deco mechanical "Trap Jigger" in chrome with red bakelite accents made by Fay. When the arms of the filled jigger are rested on the rim of a glass or jigger a plunger inside is forced up to allow the liquid to pour out the bottom.
Origin: America, ca. 1940
Dimensions: 2-1/2" tall when closed; 3-3/16" wide at handle