Lynch Mob Calls Jet Slate Turkey Call. When nothing else will pull that old Gobbler in close the Jet Slate will. Change from a fine medium or coarse pitch simply by varying the amount of pressure on the striker and slate. Premium Pennsylvania grade A slate Wooden box call. Easy to use. Fine medium and coarse pitch calls. Specifications for Lynch Mob Calls Jet Slate Turkey Call: Manufacturer: Lynch Mob Calls Additional Features: No Slate & Peg Strikers Species: Turkey Weight: 0.23 kg Length: 8 Width: 4.6 in Height: 1 in Package Contents: Lynch Mob Calls Jet Slate Turkey Call