Boab nicking your rubber?

Kill it with fire.

A good boab like the ninja will take about six months to a year before it starts damaging your rubber. So carry a lighter with you and burn down the divider. Not a LOT of fire, just enough to smooth it out. If you use too much fire, you’ll jack up your boab and you’ll need a razor to cut down the resulting slag.

I hit it with fire pretty every time I change my rubber.

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