Look at the free stuff you get today:

• Printable download of John Bastow and Nic Barrow's ‘Guidance On How To Apply The Free Ball Rule In Snooker’
• A video demonstrating how to apply the lessons in your document
• Nic’s original free ball document from 2005 that goes in a lot more depth to the topic
• How to be sure how far one ball goes past another (vital for safety shots – and most pros do not know this method)
• How to be sure if a ball goes past another into a pocket (and again, most pros do not know this method) 
• Free ball and other aiming updates