F.I.T.A, N.A.A., Collegiate Archery, And J.O.A.D.
I tried the original KSL Jet6 vanes when they first came out in what 2018? and like many of you was... underwhelmed... lots of hype, not much difference, definitely not worth the upped price. (Although I admit they're absurdly easy/fast to fletch, and that tape is like glue.)*
With that said...