How many movies have Ross Heath and Tony Newton collaborated on?

They have worked on 3 movies together! Their first movie together was Grindsploitation 4: Meltsploitation (2018) while their highest rated movie together was Grindsploitation 8: Drive-In Grindhouse (2018). They have not worked together since Grindsploitation 8: Drive-In Grindhouse (2018). They are most known for their horror films together.