Best way to get rid of wrinkles without ironing

Just water. Give that t-shirt (or whatever) a mist, smooth with your hands or lightly pull taut. Body heat will do the rest. Works well enough for 95% of my everyday needs. Tuck a small, empty spray bottle in your suitcase for travel. Note: Link is for picture only. Don’t pay Bezos for this. They’re at the grocery store.