1. Penalize slow play to a point where it becomes the norm in all contexts of play to use a shot clock or faster pace.
2. 4" pockets - standardized measurements, uniformed across table manufacturers (4.25 or 4.5 can be training aids, or used to work through as levels)
3. All ball fouls, all the time, in every context. Penalize push shots to a point where it is the norm to call that BS in all contexts of play.
4. 5. 6. 7... 100. Slow players burnt alive as punishment for wasting my life.