Cricket Bat Knocking In Service - Machine / Hand KnockingKnocking in is absolutely vital to the longevity of your new cricket bat. Without knocking in, your bat is vulnerable to damage, particularly to the toe and edges. Knocking in compresses the fibres on the face and helps prevent heavy dents and marks that can turn into cracks. What We Will Do: Bone the toe & edges. Knock toe & edges (Hand Knocking) Knock the toe, edges, & bat face (Machine Knocking, 13,000 knocks) Fit a Professional Anti Scuff Sheet.