When attaching a button on a man's overcoat you best reduce heavy strain on the button by reinforcing the button with?

To reduce heavy strain on a button attached to a man's overcoat, it’s best to reinforce the button with a backing material, such as a small piece of fabric or interfacing. This provides additional support and helps distribute the stress more evenly. Additionally, using a strong thread and double-stitching can further enhance the durability of the attachment. Proper placement and alignment of the button are also essential for optimal reinforcement.