The effect of dominant diamonds is spins become much more predictable. This is why almost every wheel you’ll find has dominant diamonds, which are diamonds the ball hits more than others. Even if the casino rotated the wheel after every spin, it would be impossible to avoid uneven wear. And any different in one part has a snowball effect, and the differences become greater over time. This leads to the ball track being significantly more worn in specific parts of the ball track. The ball release point is much the same unless the casino rotates the wheel daily. First, we’ll start with the most important parts: Roulette Wheel Secrets That Make Spins Predictable Dominant Diamonds From Wear and Tear Dominant diamonds: the ball hits some diamonds more than others. There is no such thing as a completely random and unpredictable spin. If you think roulette spins are unpredictable, think again. This article explains roulette wheel secrets that make spins predictable.