101Leafy researched the games.
Binder Mace

Uses Thunderbugs to stun monsters and render them paralyzed.
| Class | Hammer |
|---|---|
| Rarity | 4 |
| Attack | 780 |
| Paralysis | 280 |
| Slots | 3 |
| Price | 5,600z |
Upgrades
| Upgraded from | Jail Hammer |
|---|
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 724.