Desert bait is an item received from Ali Morrisane during the 2022 Birthday event in exchange for Osman's report. It is used to catch tiny fish as part of the event.
Fishing bait, Old School RuneScape Wiki
literally : r/2007scape
Hassan (2022 Birthday event) - OSRS Wiki
Lovecraft's Tackle - OSRS Wiki
Ruins (west) - OSRS Wiki
Dark fishing bait - OSRS Wiki
Two weeks of completely blind play of OSRS. Some thoughts, questions and stories. : r/2007scape
Barbarian rod - OSRS Wiki
Catching infernal eels - OSRS Wiki
Fishing bait, Old School RuneScape Wiki
Music - OSRS Wiki