Assuming you Five-SE are the current year ones.
Start there and look for my posts through the rest of the thread. I had the same issue and figured out it is because of the ladder strap being too thin. I layered some cut up vinyl stickers on the under side of the ladder strap and that has completely solved the issue.
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2011 Smokin Buck Ferton 155
2013 Flow NX2-SE
2013 Flow Hylite boa
Burton Stagger pants/jacket