A rail system for use with a vehicle , the rail system comprising: a plurality of stanchions , each stanchion including a base platform securable to the vehicle, a pair of standposts each projecting away from the base platform, a bar element supported by the pair of standposts, the bar element substantially elongate having a first end and a second end, and a stanchion opening defined as the space between the base platform, the elevated bar element, and the pair of standposts; and a plurality of side rails , each side rail secured to the bar element of one of the plurality of stanchions proximate to the first end of the bar element, characterized in that the rail system further comprises a hoop , the hoop including a pair of legs , each leg substantially elongate and having a terminal end and an upper end opposite of the terminal end, each leg including an upper leg segment proximate to the upper end, a pair of clamps , each clamp connected to one of the legs proximate to the terminal end, and each clamp including a first jaw having a first inner clamping surface , a second jaw movable with respect to the first jaw and having a second inner clamping surface , and a clamp locking mechanism for releasably securing the first jaw and the second jaw together, a pair of elbows , each elbow having a lateral end and a lower end, each elbow including a lower elbow segment connectable with the upper leg segment, and a lateral cross bar , the lateral cross bar substantially elongate, each end of the lateral cross bar connectable with one of the elbows proximate to the lateral end of the elbow. a plurality of stanchions , each stanchion including a base platform securable to the vehicle, a pair of standposts each projecting away from the base platform, a bar element supported by the pair of standposts, the bar element substantially elongate having a first end and a second end, and a stanchion opening defined as the space between the base platform, the elevated bar element, and the pair of standposts; and a base platform securable to the vehicle, a pair of standposts each projecting away from the base platform, a bar element supported by the pair of standposts, the bar element substantially elongate having a first end and a second end, and a stanchion opening defined as the space between the base platform, the elevated bar element, and the pair of standposts; and a plurality of side rails , each side rail secured to the bar element of one of the plurality of stanchions proximate to the first end of the bar element, characterized in that the rail system further comprises a hoop , the hoop including a pair of legs , each leg substantially elongate and having a terminal end and an upper end opposite of the terminal end, each leg including an upper leg segment proximate to the upper end, a pair of clamps , each clamp connected to one of the legs proximate to the terminal end, and each clamp including a first jaw having a first inner clamping surface , a second jaw movable with respect to the first jaw and having a second inner clamping surface , and a clamp locking mechanism for releasably securing the first jaw and the second jaw together, a first jaw having a first inner clamping surface , a second jaw movable with respect to the first jaw and having a second inner clamping surface , and a clamp locking mechanism for releasably securing the first jaw and the second jaw together, a pair of elbows , each elbow having a lateral end and a lower end, each elbow including a lower elbow segment connectable with the upper leg segment, and a lateral cross bar , the lateral cross bar substantially elongate, each end of the lateral cross bar connectable with one of the elbows proximate to the lateral end of the elbow. <EOS>