Mr Duck: How to improve your groups using talcum powder? I believe who ever has been taunting you with this question probally would be refereing to the use of talcum powder sprinkled on the barrel , vibrating the barrel, so as the talcum migrates to the sweet spot for barrel harmonics, and this is really the place many prefer to place the barrel on the sticks each time for more accurate shooting. There are some other methods to locate the sweet spot on your barrel. You might try searching the archives on this matter. In any case knowing and using the sweet spot on the barrel is generaly considered a good thing. Best Regards Steve Witt