How do you fix Adidas originals tongue crease?

To fix a tongue crease on Adidas Originals, start by removing the laces to allow better access. Then, try using a steam method by holding a steam iron a few inches away from the crease to soften the material, or use a damp cloth to apply heat gently. Afterward, reshape the tongue and let it cool in that position. Finally, re-lace the shoes and consider using shoe trees to help maintain the shape.