Register To Win A $2,000 Back To School Shopping Spree – Brought To You By Dayton Tire Sales In Sherman! Mad Rock & our friends at Dayton Tire Sales in Sherman want to help the #MadRockNation get the kids or grandkids ready for a brand new school year! So, we’re giving you a chance to register to win a $2,000 Back To School Shopping Spree! Imagine how many pencils, crayons, file folders, clothes, backpacks & bottles of glue that could buy!!!! You can enter to win Monday, July 15th through Friday, August 9th, 2019!