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Old 08-30-2017, 12:50 AM
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Sky Campbell Sky Campbell is offline
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Location: Gainesville FL
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It very well could be chalk. I've used chalk on the bottom of a vessel to find center and lost pieces for lack of sicktivity. Ok maybe not a scrabble word. Anyway it could be some straight line for a chalk box.

Sand punties have been around forever and I've seen where someone will roll on a piece of ifb before applying. Blue chalk would be my vote.
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