The Thick-Socks Method Is Still One of the Best Fast Fixes
If your shoes are only a little too snug, start with the least dramatic method first: thick socks and a short indoor wear session. It sounds almost too simple, but it works because it gently adds volume inside the shoe while letting the upper part start shaping around your foot. This is especially useful for leather shoes, boots, and other pairs that are stiff but basically the right size. Put on thick cotton or wool socks, wear the shoes around the house for about 20 to 30 minutes, and give your feet time to test the pressure points without committing to an all-day suffer-fest.
While you are wearing them, actually move. Walk around. Go up and down the hallway. Flex your feet. Sit for a minute, then stand again. You are trying to encourage the shoe to relax in the places where it feels snug, not just bake your feet in place like little misery dumplings. Brands that regularly deal with break-in issues recommend short wear sessions rather than a long one, because gradual shaping is less likely to leave you with blisters and regret.
One warning: do not keep going if the tightness turns into numbness, sharp pain, or toe crunching. If the shoes still feel very tight after a short session, move on to a more targeted method instead of just trying to overpower the problem.