I thought it had something to do with weight and throwing your arm out. Never lobbed one though, so what do I know. 
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Make sure to check out my balls in the Pelican Parts Catalog! 917 inspired shift knobs.
'84 Targa - Arena Red - AX #104
'07 Toyota Camry Hybrid - Yes, I'm that guy...
'01 Toyota Corolla - Urban Camouflage - SOLD
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