A locking system is described for use with a storage container. The resulting optimized graphics call sequence causes the same graphics rendering to occur when provided to the graphics system as the original graphics call sequence. One table contains records that are common to two or more PRL entries. At least one of the clubs of the set includes a sandwich-type construction for the hitting face having a dampening element disposed between a hitting face insert and a lightweight reinforcing core. Manufacturing facilities and assembly units including the same or similar functionality are also disclosed.