was written by Simon Gawesworth who is probably the brightest guy on Spey. It pertains to Rio products, but the concepts of Scandi and Skagit can be learned from it.
Compact Skagit = shortened Skagit style head
Compact Skandi = shortened Scandinavian style head
The Caddis Fly Shop might have a reason for using a CLA 5. You may want to ask the person why? My guess is that the staff feels that it balances better than the CLA 4.