This enclosed reed design makes great sounding screams of a cottontail rabbit in distress. By blowing softly into the call you get a solid true tone of a soft rabbit distress. By blowing hard into the call you get a loud death scream of a cottontail rabbit. The wide inner dimensions of our enclosed reed hand calls makes it not only easy to use, but is designed to be less likely to freeze or lock up on you when you are out in the field. Giving you great sounding calls without the hassle of other hand calls.