As @kboy says, take them to a cobbler, they use some kind of spray to soften the leather before putting them on a stretcher, my local guys charge £10 and if they don’t fit right after the first go they’ll keep doing it until they do for no extra charge 👍🏻
As @kboy says, take them to a cobbler, they use some kind of spray to soften the leather before putting them on a stretcher, my local guys charge £10 and if they don’t fit right after the first go they’ll keep doing it until they do for no extra charge 👍🏻