Training cannabis plants can help both shape your plant to fit in a small area as well as provide a bigger yield.
Mr.C Growin4B, a grower who uploads grow videos to YouTube, performs LST on his marijuana plants since his grow space is so small. One of the branches on his plant snapped and was severely damaged. In the video below he fixes the issue with Coban - a type of wrap that is made of breathable material.
Check out his video here: