https://vimeo.com/ondemand/ultimateskagitcast

https://linespeedjedi.com/spey-casting-skagit-lines-advanced-spey-casting-for-beginners-featuring-proper-technique-for-basic-skagit-casts-as-well-as-advanced-skagit-casts-using-skagit-likes-sink-tips-and-heavy-payloads-for-st
This video covers The Skagit Double Spey Cast, The Wrap Cast, and the Perry poke for casting Skagit lines, sink suggestions, weighted and unweighted flies.

Novices are motivated to utilize light to moderate payloads and include a mild casting design that requires the rod to do the work and not physical straining that produces wear, tear and tiredness.

This video has numerous ideas for increasing range of the cast along with payload, eliminating tension on the body and appropriate spey casting method for casting Skagit lines while Spey fishing for Steelhead and Trout.