The effect of feather and bucktail on flags and siwash hooks

[dannyplug1]

I have questions in regard to siwash hooks with feathers or bucktail and flags of buck or feathers. I am finishing a run of jointed eelies form the NEF article by Dave Anderson. What is the effect of using a flag on the tail of the plug made out of buck as compaired to a feather? Which is going to enable a faster wiggle at a slower retrieve speed? Furthermore, will a long thin feather make too much drag and slow down the wobble of the plug? Is there a general agreement on the effect of feather vs buck on the wobble of the plug? I also wonder how the wobble is effected by using a a flag of buck or feather as opposed to a regular siwash with feather or buck? Thanks for your help sorry about the confused nature of this post and my poor spelling