Zip them up in a mesh laundry bag and toss them in the dryer along with the stubbornly stiff-new pants. Alternatively, you can use three tennis balls. Run the machine on a regular cycle. This method can “tenderize” the trousers as the sneakers collide with the fabric. Are you still ...
Sodium bicarbonate, baking soda, was used at the Fort Saint Louis Archeological Project to soften the very hard clay found on the site. Different amounts and lengths of time the soil was exposed to the baking soda were observed and recorded. The question of the effects of the baking soda ...