101Leafy researched the games.
Sonic Glass

Giant insect wings layered and formed into a Hunting Horn. Buzz-like tone.
| Class | Hunting Horn |
|---|---|
| Rarity | 3 |
| Attack | 624 |
| Affinity | 5% |
| Slots | 0 |
| Price | 2,340z |
Upgrades
| Upgraded from | Skullcrusher+ |
|---|---|
| Upgrades into | Sonic Glass+ |
Can also be made new at the smithy.
Upgrade tree from モンスターハンターポータブル 2nd G 公式ガイドブック (Enterbrain, 2008), page 738.
Materials
Lightcrystal ×2, Vespoid Wing ×6, Hornetaur Wing ×6, Killer Beetle ×5