Vulgano Brother

Valve casings are pretty delicate, and the valves get pushed by some pretty wimpy fingers and springs -- compare that to an explosive charge at the non-business end of a bullet. I have small fingers, so I use those instead of chamois.

Try rubbing one half of your forehead with chamois and the other half with your wool mop. If they feel about the same, the mop should be ok, unless it leaves any threads behind.

Have fun, and don't forget that trumpet mutilation can be fun.

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