Fix the Exact Spot That Hurts Instead of Attacking the Whole Shoe
A lot of tight-shoe misery comes from treating the whole shoe like the enemy when really it is just one annoying hotspot. If the back of the shoe is rubbing against your skin, you do not need to stretch the toe area. You need to loosen and soften the heel area. One simple trick recommended by boot brands is to use a large spoon to gently work the heel or another stiff section from the inside. It helps relax that stubborn structure without soaking or overheating the entire shoe. For leather pairs, you can also massage the upper with your hands to soften it before a short wear session.
If your heel is the main drama queen, heel grips can help immediately by reducing friction while the rest of the shoe softens up. It solves the real-life problem of getting through the day. And if the upper just needs help holding a slightly roomier shape after your quick stretch session, stuffing the shoes with rolled socks, newspaper, or another mild filler while they rest can keep the material working in your favor.
The best results usually come from combining methods, not betting your whole future on one hack. For example: massage the leather, do 20 minutes in thick socks, then stuff the shoes while they cool and rest. That is still a very manageable at-home fix, and it is much kinder to both your feet and your shoes than using brute force in one intense session.