Primos Hunting Calls. The Power Crow is Primos's #1 turkey locator! A perfect way to entice a spring gobbler into giving away his location is to sound like a crow. With the Power Crow you can do just that. Then you can move closer and attempt to lure the gobbler into range. The Power Crow is also perfect for calling and hunting crows. IF you have room for only one locator call, this should be it. The Power Crow is the LOUDEST crow call available. Primos Model No. 330. Primos Hunting Calls.