Check out Ashland Fly Shop's new "Spey Fishing with Jon" video installment https://www.youtube.com/watch?v=YJf74AnyYAs. Jon Hazlett and Andrew Harris swing for trout on the Lower Sac and talk trout spey gear and technique.  If you're interested in trout spey on the Lower Sac, this video will answer a lot of questions you may have.