Walking Dread - Country Life and Zombie Spiders

While visiting a friends farm in Northern Indiana one fall, someone brought over these round green balls that appeared to be some kind of pod or alien fruit. "What the heck are those?". I asked. Apparently they were the fruit off of the Osage Orange tree, otherwise known as Hedge Apples. My friends  said they repel spiders. You put them in a bowl or on a piece of foil and place them around the