Call those toms in at long range with the Batwing Mouth Call. Producing deep, clear tones, this call allows you to make all the standard sounds a hen does. The three reed, hands-free design will keep you ready for when the birds come running. So, whether you're clucking, purring, or yelping the Batwing's got your back.
TECHNIQUE:Place the call in the roof of your mouth with the printed K&H logo on top and the reeds facing out. 
Place your tongue against the reeds, then apply pressure. 
Push air from your throat to produce notes. 
Kee-Kee: With pressure applied to the reed, say word “kee-kee” with even rhythm.
Yelp: With pressure applied to reed, say the words "chick" or "chuck" with even rhythm. 
Cluck: With pressure applied to reed, say the word "puck" with even rhythm.