Custom footwear might indeed be a good call, if a person really understands the dynamics of what they need, or perhaps a foot doctor is involved in the design (?).

I don't see how orthodics would help here, however. I have and use orthodics, but don't see a connection with bunions. Not saying there isn't one (feet are complicated), just that I don't see it.
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Brian Lewis
http://postholer.com/brianle