[Origami] "Blintz Fold Run"

[Dawn Tucker via Origami]

Regarding a reply to my origami sighting,
Larry Finch wrote: "This brings back memories. My (German) grandmother taught 
me this when I
was quite young. I've since forgotten the details. She also taught me what
is today usually called the 'blintz fold run.'"
What's a "blintz fold run?"
Dawn