How to prune cherry Burlat KGB system

How to prune cherry on KGB training system .Fourth year , variety Burlat on mahaleb rootstock. Join this channel to get access to perks: Learn how to prune step by step on KGB training system for cherries. Learn how to prune 15 years old cherries that has never pruned before Learn how to prune 30 years old cherry back to KGB system If you have any questions for me ask in the comments section. #Pruning