Cortyg brandy was an incredibly hard drink brewed on Kashyyyk. It came in two different variations, the "wilder" side, drunk by Wookiees and the "tamer" Cortyg that tasted smoother. The "tamer" variant was sold to offworlders at high prices.
Cantina owner and bartender Groshik offered Cortyg brandy to Dessel after a sabacc game in which Dessel won the sabacc pot and after Dessel was nearly killed by a Republic ensign.