Rule 4250. The arms of all starting gates shall be provided with a screen or a shield in front of the position for each horse, and such arms shall be perpendicular to the rail.
Mich. Admin. Code R. 431.4250
Rule 4250. The arms of all starting gates shall be provided with a screen or a shield in front of the position for each horse, and such arms shall be perpendicular to the rail.
Mich. Admin. Code R. 431.4250