How to get cuttings from crested+columnar

This ‘Hamilton’s Crest’ tpm is both crested and columnar. I could only take cuttings from the crest, so unless it reverts, I can’t imagine getting cuttings from it which are likewise, both crested and columnar. Ideas would be appreciated

This ‘Hamilton’s Crest’ tpm is both crested and columnar. I could only take cuttings from the crest, so unless it reverts, I can’t imagine getting cuttings from it which are likewise, both crested and columnar. Ideas would be appreciated