Tested and perfected over the last two years by SPRO pro-staffer and lure-designer, bill Siemantel, the SPRO BBZ-1 rat is the most lifelike rat imitation to ever hit the market. Perfectly sized, the SPRO BBZ-1 rat features a single-jointed rodent profile and a durable square bill that offer an effortless "walk the dog" action and a gentle wake that humps along the surface.