Bill Saunders Calls Refuge Series Snow Goose Call - Tuned and tested to easily match the sounds of snow and blue geese. From the loudest hails to the softest hiccups and murmurs this call can do it all. Proven just as effective in the fall or spring. A must have for any hardcore snow goose hunter. Durable polycarbonate construction Custom reed design Double o-ring Hand tuned and tested Ultra realistic sound Affordable quality Field proven Easy blowing