Rocky Mountain Wild Fury PPP Diaphragm Elk Call Kristy Titus’ WILD FURY “PPP” SERIES Plastic Palate Plate diaphragm elk call. - This call was designed by Rockie Jacobsen and Kristy Titus with our PPP top. It is very responsive for making those nasal cow/calf sounds. It is also good for a full range of bugles. #131 - This call is designed to be placed further forward in your mouth behind your upper front teeth; this helps to prevent gagging and gives you easier control of the latex. To operate the call place the Plastic Palate Plate “PPP” upwards to the roof of your mouth latex down and open end of the diaphragm towards the front of your mouth.