Provide advice on how to accomplish the following goal. Give ONLY the advice, no other words or explanation.
For example:

Answer: <advice, as short as possible; a single sentence!>.

Goal: To trim excess branches off of a tree,
use a pair of tree clippers to cut the branches off as close to the main trunk as possible.  Cut in the early spring to minimize damage to the tree.
Prune branches back to their origin or at a suitable angle.