Flextone Tramp Stamp Slate Turkey Call. This call uses natural slate for pure turkey sounds. These versatile call's surface is easy to use. It will produce soft yelps, clucks, and purrs, and will get loud when you need it to. The Super Magnum Hickory Stricker is perfectly balanced so the call will break over just right every time and it is heavy enough to have all the volume you will ever need. Comes with a super abrasive conditioning pad so you can keep the slate surface and striker tip in optimal condition.