ORLANDO, Fla. — One simple thing might have saved 14-year-old Tyre Sampson’s life: a seat belt. A seat belt could have stopped him from slipping out of his harness on the Orlando Free Fall at ICON Park on March 24, potentially preventing his death, said Brian Avery, a lecturer at the University of Florida and independent ride safety consultant. “A safety belt or a latching mechanism would have [also] provided an indicator that Tyre Sampson was not an appropriate size to ride,” he said, adding that a harness isn’t foolproof protection. According to family members, Tyre weighed between 330 or 34…