Yep Adrian...I'm not one to carry a hundred friction calls to the turkey woods opting to take just two different surfaces with about 10 diffent strikers..Adrian I believe you might find Steve Harrisons work very interesting.IMHO he makes some of the finest sounding scratch calls out of some of theless familiar woods!Great calls that flat out fool turkeys...here ya go to check em out...
http://www.harrisongamecalls.homestead.com/TurkeyCalls.html