new tapered shaft

[jelepley]

anybody seen these yet? the "hd" is 9.25 gpi,has a spine of .275 and it says  they use the x nocks.looks like they would be great for efoc arrows being that stiff,fairly light in weight and already weight forward.remember the old quest videos?these are from those guys
  http://www.questproductsusa.com/thumper.html

[Trumpkin the Dwarf]

That looks really interesting. I may have some new toys to play around with sooner than I thought.

[d from phx]

They are not so new. They are made by Arrow Dynamics as Nitro Stingers.