Here are some tips on stern pry form from whitewater OC-1 guru Bob Foote: http://www.bobfoote.com/bob/tips/thesternpry.html
Many good whitewater open boaters and slalom racers advocate a "cab forward approach" to technical paddling these days, in which all (or nearly all) correction is done from the bow quadrants of the boat. This has the advantages of keeping the stroke rate up to keep driving the boat, as well as un-weighting the stern in order to allow it to skid turn around quickly.
Here is Bob Foote's take on correcting from the stern using a stern pry as opposed to correcting from the bow using primarily forward and cross-forward strokes alone (what Andrew Westwood refers to as the "2 x 4 method"): http://www.bobfoote.com/bob/tips/crossforward.htm
Note that Bob's background is largely paddling what would now be considered large OC-1s on what would still be considered big water. He notes that the cab forward approach works much better for C-1s than OC-1s. I would submit that the cab forward approach also works well for the modern, short, polyethylene OC-1 play boats such as the BlackFly Ion, Option, and Octane, the Esquif L'Edge and Spanish Fly, and the Pyranha Prelude. But there are still well-respected whitewater instructors who emphasize the importance of correcting from the stern even in this type of boat. One such is Kelvin Horner: http://www.sweet-skills.com/index.html
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