More than 70% of the weed killer that ended up inside those homes came in on shoes and pet paws. Put doormats inside and outside every entryway, and take shoes off before coming in, so you don’t track lead-poisoned soil into the house. [6]If you read all that and thought, that’s basically me, I wear my outdoor shoes right into the kitchen, you’re not alone. A soft, absorbent one that grabs the fine dust and moisture the outside mat missed. [1]A soft, absorbent one that grabs the fine dust and moisture the outside mat missed.