This app helps you practice the essential systems required for 3-cushion.
The purpose is to calculate the system within 10 seconds.
You can currently practice F&H basics and short angles.
Basic F&H is provided only from 10 to 50 minutes from the start of the apparatus.
F&H long angle will be updated later.
Short angles are a very useful variation of F&H.
Additionally, approximately 11 parts will be updated.