Matt Kenseth Keychains Savor the adrenaline of Race Day with officially licensed Matt Kenseth Keychains from the ultimate sports store! Show your Matt Kenseth devotion with authentic Nascar Key Chains featuring Matt Kenseth Lanyards, Key Ring and Nascar Keychain. Nascar fans, score your new Matt Kenseth Keychain from our Nascar Shop and receive your new Matt Kenseth Gear in time for the next big race. Go Flatline!!