(1) Meet the International Sled Federation Certification Requirements;
(2) consisting of two skid blades, two blade holders, one base (lying board), and two bridges;
(3) Provide matching skid blades;
(4) The base (lying board) can be tailored according to the athletes. The athletes lie flat on the base, and the rear athletes' shoulders do not exceed the rear extension. The front athletes' knee bends do not exceed the forward extension.
