Set up in the traditional sidestack. In this example 7 is the person getting the stack, but 7, 6, or 5 are all viable options
Everyone cuts across the field, leaving the break side open for 7 to cut under
7 cuts under, getting the disc.
The stack reestablishes itself further up the field while 6 cuts to get open.
The offense continues to get set up either in a vert or horizontal stack.