Lews Mr. Crappie Slab Shaker Underspin Combo. Brand New. . The Lews Mr. Crappie Slab Shaker Underspin Combo features 2-piece light action fiberglass blank that makes rod lightweight and strong. The Rod has a durable lightweight EVA foam grip handles and stainless steel guides with stainless steel inserts. . . The Reel has an aluminum nose cone and spool with ball bearing drive system. It has a selective anti-reverse switch. The reel offers smooth drag system with easy adjust drag dial. .