OOAK Table Tennis Forum

not really. not at al some require a bit of sanding as some manfacturesrs tend to make them quite pointy and a bit uncomfertable or just too big for the thumb index finger area . that is all

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my youtube channel
http://www.youtube.com/user/decoyla?feature=mhum

Main: / secondary / LP
Blade: DHS Hurricane hao/ Blade- Hurricane Hao 2
FH: Skyline 3(Blue Sponge)/ FH- Nittaku H3 pro
BH: Omega Asia/ BH- Calibra Tour H

I think I should clarify that my question is for Jpen P-H or R-H blades.

I think placement of the fingers will vary from player to player, there is no rule of thumb. I curl all three fingers at the backhand side regardless whether it is a twiddler or normal J-pen.
I am not a twiddler, so when using a twiddler J-pen I find it a bit awkward on the backhandside because part of my fingers rest on the corksheet and part resting on the wood and there is a height difference of about half millimeter (or more) between the wood surface and the cork surface. So what I did is I buy a corksheet from Butterfly, and add some corksheet on the backhand side copying the shape from a normal J-pen.
One other thing, I shave all my blades, because if I don't do that, my fingers will be hurt because of sharp edges.

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Expert II crwi C-Pen
Red Acuda P1

My Violin J-PH with modified (added) corksheet on the backhand side :

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Expert II crwi C-Pen
Red Acuda P1

Thanks for answering and the photo. It's very helpful.
I like the idea of a Violin round Jpen, but sounds like the double cork finger-grip may interfere on the backside.