I def. recommend the freak frictionite, by primos... It is one of the sweetest sounding slate calls I have ever heard... I also have one handmade pot call my uncle made for me, and I have a HS Strut ring zone, a HS Strut Aluminator, and a Primos Slate/Glass combo... I am not any good with a mouth call, so I rely on slates and box calls... I do most of my calling with slates though