演示/繪圖工具，各種技術水平的撞球好手。
Draw Your Rock is a demonstration tool for pool players of all skill levels. Use it to draw a shot or series of shots that you executed, then save to your phone. You can recall it later to show teammates, share on social media, discuss "What Would You Do?" with friends or coaches, or set up drills for practice. Using your device, you can quickly draw up a diagram of any pool shot imaginable - kick shots, draw shots, banks, massés...you name it! When you run a rack that you're particularly proud of, take a few minutes to sketch the entire out. Save each shot as a screen shot, and then flip through the screen shots to show off.