突撃ラッパ [totsugeki rappa] or 'assault trumpet' in Japanese.
Final Fantasy VII

Stats: ATK 95, Hit 95%, Critical +2%
Slots: 2+2+2, Growth: None
Equip: Cait Sith
Buy: - (Sell: ?)
Treasure: Underwater Reactor
Airborne Brigade

R+
Type: Instrument, Element: -, Growth: Normal, Cost: 13
Attack: 770 (lv1), 3,090 (lv80), 3,677 (lv100), 4,265 (lv120), 4,852 (lv140), 5,440 (lv160)
Defense: 1,440 (lv1), 5,782 (lv80), 6,881 (lv100), 7,981 (lv120), 9,080 (lv140), 10,180 (lv160)
Obtain: any chest that gives this rank
Other: as 'Assault Trumpet'
R
Type: Instrument, Element: -, Growth: Normal, Cost: 9
Attack: 490 (lv1), ? (lv60), ? (lv75), ? (lv90), ? (lv105), ? (lv120)
Defense: 990 (lv1), ? (lv60), ? (lv75), ? (lv90), ? (lv105), ? (lv120)
Obtain: any chest that gives this rank
Pictlogica

Stats (lv1): STR +?
Stats (lv25): STR +92
Buy: - (sell: ? gil)
Obtain: limited-time initial equip on Cait Sith
Type: Instrument, Rarity: ★★★★★, Element: -
Other: effect of Sing becomes STR +35%, SPD +35%, LCK +35%
Other: can only be equipped by Cait Sith
Category: Equipment