Hey lefty,
You're going to possibly see various answers to this because of what Greg7 mentioned. Based on an individual's style with tilt, speed, revs and rotation, you can get the stronger asymms to skid/flip, skid/arc, skid/strong arc....etc. All reactions can vary some due to mb placement and individual style. I personally get more of a stronger/flip look also but I also drilled it that way. Hope this helps explain....
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Rick Leong
Ten Pins Pro Shop
Track Intl. - Amateur/Pro Shop Staff
Vise Inserts Staff