Rail line

bbb

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i dont know the correct term for the line that forms in front of the rail
that corresponds to where the base of the ball sits when touching the rail

what do you call it and why does it happen???
 
i dont know the correct term for the line that forms in front of the rail
that corresponds to where the base of the ball sits when touching the rail

what do you call it and why does it happen???

It's the ball tracking ditch, caused by the balls changing direction from banking off the rail. The thicker the cloth, the deeper the ditch gets.

Glen
 
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