Gentlemen I need some advice. I have a pair of chukkas that develops the most awful wrinkle in the quarter if I put trees in, as the trees put pressure on the heel counter. Yet, if I leave them without trees, the wax job on the toe box doesn't keep as nicely. I have tried both split toe shoe trees and solid boot trees (middle grade, cedar) - and every positioning I could think of - to no avail. Recommendations?
Observe the wrinkle: