This is how two of us (previously, three) choose to campus.
There is some resemblance between exercise number 4 and exercise number 5, here's an explanation:
4: go as far as you can and pull through with the other hand.
5: go equally far in each pull.
"Bring Out the Gimp (Dialogue)" (Quentin Tarantino), Peter Greene, Duane Whitaker
"Comanche" (Robert Hafner) (sax solo by James Gordon), The Revels