The Huge Jug is a rare and unique accessory. It reduces the amount of SP lost per turn by half. So a normal character with it equipped loses one SP per two turns. As a consequence, all status decreases.
The beloved gourd wine bottle of Jackie, the great drunken master. Holds at least 50 liters. It reduces the consumption rate of SP. Must be carried on the back.
Shadow Hearts: Covenant
Gourd-shaped flask. Full of sacred sake, no matter how much is drunk, the next morning it is full again. It helps to suppress loss of Sanity Points.
Shadow Hearts: From the New World
A sake jug made of clay from Mt. Kobu, where birds go to await death. Never empties, and has the effect of limiting SP consumption to half its regular amount.