I've read in some magazine some years ago that a smaller diameter ball carries to 10 better. (RH)
Reasoning is that it hits the 3 pin lower causing it to lift and hits the 6 higher, causing it fall low to hit the 10.
baiki
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Those who can, do. Those who can't, teach. Those who can't do or teach, writes. Bob Summerville, BTM Sept. 1997