Feltz is a wealth of Fast Bowling knowledge having completed his PhD investigating the biomechanics of Fast Bowling Performance. He spent time working alongside Kevin Shine with Englands Pace Program and has also consulted around the world. One example is his work with Matt Mason (Bowling Coach of Western Australia who will feature in episode 09) where he assisted with Australian cricketers Cameron Green technical rehab from multiple stress injuries and also AJ Tye's pace improvement.