All-Out Show Off

Let this ball do the talking for you. Roto Grip All-Out Show Off.
The Hotshot core is the crown jewel to the HP2 line for Roto Grip. It's the most dynamic core offered in this line, and brings with it an impressive 2.55 RG, famously complemented by its 0.045 differential rating. This creates an unmatched motion perfect for lighter conditions, keeping the ball manageable but still very versatile.
The Stoked Hybrid cover builds on the legend of the Show Off by creating more stability off the friction with the additional solid component of the coverstock added, making this ball fantastic as a benchmark for when you need to pin down exactly what the lane is doing to your game.
Here's what Roto Grip has to say about the All-Out Show Off:

This ball was built to battle those Medium type conditions and provide an option on a variety of patterns if there is too much friction. Even though it comes factory shined, it can always be sanded to battle a little heavier oil.