I am sorry for this delayed reply to your gardening question. We are transitioning to a new Q&A system and your question was unfortunately lost in the transition. I have discovered it now and hope this reply is not too late to be of help.
It is generally not a preferred practice but if done well should not cause major harm for the tree, as long as you are not removing too much so as to leave a very large wound. It may however leave the tree somewhat disfigured. I suggest you contact a certified arborist to discuss the specifics regarding your particular tree.
Thanks for the question. Please stop in again soon!
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