I was actually just thinking about this myself today. Most of my gear is asymmetric. The symmetric balls that I do have, are drilled to create a good amount of asymmetry (RICO drill with deep fingers, leverage drill with VERY deep fingers). I'm not sure why, but that's what works best for me.
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Proud Supporter of Rob Stone
Obviously, you aren't a golfer.
Some stayed in the foothills, some washed logs like teeth.