Patent ID: 7717813

Claim:
A base apparatus comprising: a base configured for playing baseball or softball, the base including a bottom surface wherein at least a portion of the bottom surface comprises a prepared surface having a higher coefficient of friction than the surface in its unprepared state and wherein the base will move from its resting position when a human body applies a lateral force thereto, the force being low enough to avoid substantial injury to the human body, but will remain in position when a force applied to the base comprises a downward force component that is substantial in comparison to the lateral force component, the prepared surface being formed directly on the bottom of the base, wherein the prepared surface comprises a plurality of raised nodules and a plurality of raised webs, the plurality of raised nodules and the plurality of raised webs each extending from the prepared surface, the plurality of raised nodules extending beyond the plurality of raised webs, and each of the plurality of raised nodules disposed directly adjacent to each of the plurality of raised webs.