Rabbit Adjustable Jigger (Stainless Steel) To operate, simply push up or down on the jigger to adjust the volume between .5- and 2.0-ounces. An easy-to-see window in the side of the jigger shows exactly how much liquid has been poured. Constructed of durable, rust-resistant stainless steel. Perfect for dorm rooms, vacation cabins or RVs. This tool should be hand-washed only; wash with warm water and a mild detergent and then let dry.