Touchstone played on the Mt. Washington Club team under Coach Bill Schmeisser and conducted the Mt. Washington Summer Camp from 1920-1923.
In 1924, Touchstone moved to Yale to coach varsity lacrosse, soccer and freshman gymnastics.
In 1928, he became the head varsity lacrosse coach at the United States Military Academy. He coached there until his death in 1957. Compiling a record of 214-73-8 while at West Point, Touchstone's teams won the national championship in 1944 and shared the titles in 1945 with Navy and 1951 with Princeton.
Touchstone was the first chairman of the Hall of Fame Committee, 1954-1957; first president of the Lacrosse Coaches Association, 1953-1955; member of the Rules Committee, 1934-1937; member of the All-American Committee, 1939-1950; member of the Executive Board 1939-1940; member of the Publicity Committee, 1943-1944; member of the NCAA Lacrosse Rules Committee, 1946; and advisor to the All-American Committee 1951-1957.
The Touchstone Memorial Award, established in 1958 and presented annually to the "Coach of the Year" honors his name.
Morris Touchstone passed away in 1957.