Ward Graham of Northern Nevada holds his Tailgater Tire Table during the 2017 Specialty Equipment Market Association (SEMA) show at the Las Vegas Convention Center Tuesday, Oct. 31, 2017. Graham said he invented the table after being unable to find a stable table to use when he went on ski trips. STEVE MARCUS

Ward Graham of Northern Nevada holds his Tailgater Tire Table during the 2017 Specialty Equipment Market Association (SEMA) show at the Las Vegas Convention Center Tuesday, Oct. 31, 2017. Graham said he invented the table after being unable to find a stable table to use when he went on ski trips. STEVE MARCUS by Steve Marcus