where was the over the line softball developed
Over-the-line The name "over-the-line" is a registered trademark of the Old Mission Beach Athletic Club (OMBAC) of San Diego, California, which organizes an annual tournament that is one of the city's largest summer social events. It is also known as OTL (also trademarked by OMBAC).[1] OMBAC allows other organizations to license the trademark for their own events for a nominal fee.