What goes wrong

It warped, or it corroded

On this page11

The reeds warped Or they moulded They were stored loose in a jar The strings corroded And they kinked The rosin shattered And the dust got everywhere The mouthpiece chipped The valve oil bottle emptied into the bag The fix is sealed, separated and not glass References

Every failure here is slow and looks like bad luck.

The reeds warped

Soaked, played, and left to dry in open air on a music stand. The tip dries faster than the heel and the table stops being flat.

Or they moulded

The opposite error: sealed wet in a container with no humidity control. The target is stable rather than saturated.

They were stored loose in a jar

Resting against each other at angles, each one holding the next out of flat. A jar holds an environment and does not hold a shape.

The strings corroded

Handled, put back in a case pocket, and left. Skin oil and salt on a winding is the initiator and a sealed container is the prevention.

And they kinked

Loose coils in a pocket, tangled and pulled. A kinked wound string is scrap and the kink happens in storage rather than in use.

The rosin shattered

A brittle cake in a hard container, dropped. Which is also the argument against glass for anything that lives in an instrument case.

And the dust got everywhere

A cake stored loose, shedding powder onto the bow, the case lining and a varnished top. A lidded container deeper than the cake is the whole answer.

The mouthpiece chipped

Against another mouthpiece, or against a jar wall. The tip rail is the part that matters and it is the part that touches things.

The valve oil bottle emptied into the bag

A small bottle with a dropper, inverted, under pressure change and warmth. The camping and cycling properties reach the same conclusion: bag anything that would ruin the contents of a case.

The fix is sealed, separated and not glass

Five of the six leaves want a seal, three want separation, and nothing in a case should be breakable. That is the whole specification in one sentence.

References

The Davis Pack Supply catalog, measured 19 October 2026. The instrument care shelf is 1,026 rows: 525 containers and 501 closures. 5 mL to 500 mL with a median of 118; 30 containers at 15 mL or under, 100 at 30 or under, 207 at 60 or under, 390 at 120 or under. 266 PET, 119 glass, 78 PP, 62 HDPE, and no steel or tins at all. 287 bottles, 224 jars, 12 tubs and pails, 2 tubes. 147 clear, 112 white, 82 amber, 51 blue, 45 natural, 37 black. Closures: 345 continuous thread, 43 dropper assemblies, 27 dome lids, 19 lug and twist, 16 flip top, 14 phenolic, 11 liners and sealing discs, 6 dropper tips and caps, 6 round tubs. Necks: 96 at 20-410, 59 at 24-410, 56 at 89-400, 56 at 70-400.

No federal regulation governs reed storage, rosin storage, string storage or mouthpiece storage as such. This property states that rather than borrowing an authority from a neighbouring craft, and the content for those four leaves is material behaviour and measured catalog facts rather than quoted law.

Written from 21 CFR 172.878 and from the catalog as it stood on 19 October 2026. Nothing here says a food-contact regulation applies to an instrument lubricant; 172.878 is cited as the published specification for white mineral oil, which is the benchmark a manufacturer can either meet or not. The other four leaves have no governing regulation and this property says so rather than borrowing one.