Please look for more accurate information. The “right way” in this video is also wrong. He has not tried to locate the bark branch collar, where the tree’s natural healing tissue exists. Best cuts involve three cuts, making the last most carefully. Don’t prune your tree if you don’t study how to do it properly. You can cause more harm than help. Read and look at lots of videos, take a class. Lots of information on the web, like this, can be misleading.