In 1993 , I started my own business .
In 1993 , I joined the United States Racquet Stringers Association ( USRSA ) , a world - wide organization with 7,000 members dedicated to the racquet industry and its technologies .
In 1993 , I started my own business and joined the United States Racquet Stringers Association ( USRSA ) , a world - wide organization with 7,000 members dedicated to the racquet industry and its technologies .