How many movies have John H Shelton and Lloyd Kaufman collaborated on?

They have worked on 2 movies together! Their first movie together was Grindsploitation 666 (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).