How many movies have Euclid James 'Motorhead' Sherwood and Mark Volman collaborated on?

They have worked on 2 movies together! Their first movie together was 200 Motels (1971) while their highest rated movie together was Video From Hell (1987). They have not worked together since Video From Hell (1987).

Role
Motorhead Sherwood (uncredited)
Crew
Additional Writing
Role
Member of Mothers of Invention