They should do this for all roller coasters and other rides, that way, park patrons will know whether they'll fit in the roller coaster car or not. Ergo, people will have less fears of falling out of their seats.The park also added a test chair out in front of the ride's entrance. The chair allows patrons to see if they can fit in the chair with the restraint bar in its proper position. Once the bar is in proper place, a buzzer goes off saying they're good to ride the Texas Giant. A rider must also be four fee tall.
Two months after fatal fall, Texas Giant ride re-opens with new safety measures - U.S. News