Tommy John never explained their study methods however, so the results might be skewed because they only asked New Yorkers.
Link: https://www.nydailynews.com/news/national/ny-change-underwear-tommyjohn-survey-20190815-2jmi33jahvbi3eytrtpfydzxqm-story.html
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New, clean undies every day, 12 new every 4 months.
Or Belgium, or Germany, or....
Anyone who wears their drawers more than once before washing them is a nasty mother fucker. As far as Tommy Johns...best.underwear.ever!
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