| Dull sound when playing softly | 1, 2 | Dutch Rush | Balance; take more off both sides if still too hard.
| Blows hard | 2 | Dutch Rush | Thin both sides and balance
| Lower register lacks resonance | 2 | Dutch Rush | Balance and thin if necessary.
| Tip too thick after clipping | Underside of tip | Sandpaper | Lay sandpaper on glass and stroke lightly with grain on the flat table side of reed to about 3/8 inch back from tip.
| Reed whistles | 2 | Dutch Rush | Balance
| High tones hard to attack softly | 2, 1 | Dutch Rush | Thin gradually with light stroke.
| Lacks projection in upper retister | 3 | Dutch Rush | Move 3 back from the tip. (This may shorten the life of the reed.)
| Lack of resonance in middle register | 4 | Dutch Rush | Lightly on 3 also.
| Heavy low register | 6 | Scraping Knife | Finish with Dutch Rush
| General lack of resonance | 7,8 | Sandpaper on glass | Sand rails of reed if reed is too wide for mouthpiece.
| After balancing, reed plays well but blows hard | 6, 5, 4, 3 | Scraper | Thin evenly all indicated areas.
| Table not flat | Table | Razor blade | Stroke lightly towards tip.
| Table not smooth | Table | Sandpaper on glass | Rub lightly back and forth, always in the direction of the grain.
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