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I hone for 2 guys who claim to have coarse beards. One gets 7 months from an edge the other gets 2. The guy that gets 2 is a new guy the other not. User plays a big part both in use & maintenance.

As above. You could also work on your technique & angle ie nearly flat to preserve the edge. You could try a half hollow as it is in the middle ground. Maybe a T.I. ?
I hesitantly would recommend...