Woodhaven Calls The Ninja Crystal Turkey Game Call Wh087. This call comes with two hand-matched strikers one being a YellowHeart/walnut Ninja Stick and the other being hickory that that will offer each hunter the ability to sound like two different hens. The Ninja Crystal produces great two-tone yelps as well as great cutts cackles and purrs. This call affords you the ability to call both loud and soft. The Ninja Crystal is a killer call that is soon to be a favorite among turkey hunters nationwide. Specifications for Woodhaven Calls The Ninja Crystal Turkey Game Call: Manufacturer: Woodhaven Calls Fabric/Material: Walnut Species: Turkey