hey hey I purchased a fly out fit this week and waiting for it to arrive...cant wait!its a 6 wt with 6wt line what does this mean? does this mean im not ment to cast flys bigger then a size 6 hook?because i have orderd size 4 and 2 salt water flys with it as im gonna start off on the beach (no trees)chasing yellowfin, salmon, bream etc just to learn how to cast and catch a fish as im starting from scratch any help would be sweet on the flyline weight info.cheers