Uploaded November 2023 | Updated September 2026, 7 hours ago
Hong Kong's Jonathan Sin has been studying Louis' style for years and comes to London to challenge the master of dynamic movement. But has all of his training paid off? Let's find out.
Want to get WEEKLY on-the-wall training from Louis Parkinson and off-the-wall training from Neil Gresham? Join our channel and become a Catalyst Online Squad Member!
You also get access to all past Livestreams including Q+A's with amazing people from the climbing world, past Live Climbing Gym Follow-Along sessions and our Saturday Workout Lives!
We also have our own Discord server where you can chat with fellow COS members around the world, arrange climbs at local gyms (or outdoors!), chat about competitions or even post your cat sending a home V13!
You also have 24/7 access to our 3 resident professionals: Emma Woods for Mindset, Tom Herbert for Nutrition and Cristiano Costa for Physiotherapy and Injury queries.
Join our channel and become a Catalyst Online Squad Member today!:
youtube.com/channel/UC5CSgrlchwozIeFlacSztHw/join
Hong Kong's Jonathan Sin has been studying Louis' style for years and comes to London to challenge the master of dynamic movement. But has all of his training paid off? Let's find out.
Want to get WEEKLY on-the-wall training from Louis Parkinson and off-the-wall training from Neil Gresham? Join our channel and become a Catalyst Online Squad Member!
You also get access to all past Livestreams including Q+A's with amazing people from the climbing world, past Live Climbing Gym Follow-Along sessions and our Saturday Workout Lives!
We also have our own Discord server where you can chat with fellow COS members around the world, arrange climbs at local gyms (or outdoors!), chat about competitions or even post your cat sending a home V13!
You also have 24/7 access to our 3 resident professionals: Emma Woods for Mindset, Tom Herbert for Nutrition and Cristiano Costa for Physiotherapy and Injury queries.
Join our channel and become a Catalyst Online Squad Member today!:
youtube.com/channel/UC5CSgrlchwozIeFlacSztHw/join
