I just haven't found these things work for me at all.
Any urethanes I have tried on today's conditions.
I have better luck with old rubber balls I have taken off the shelf.
One they let me take home and drill and it works great on our local shot on weekends.
On this shot when I tried lane 1's XXL it was bending smooth and hooking a LOT...all the way down the lane....and didn't have much hit left.
Condition.....wet heads...dry midlane....sloppy backends!
REgards,
Luckylefty
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Open the door...see what's possible...and just walk right on through...that's how easy success feels..