EastScape Wikibuilt from the game itself
Comet-tail Bait
“Put it on your line: for 30 minutes, fish bite 10% more often. Another adds 30 minutes more (up to 2 hours). From the Star Tent. Bound: it can't be traded, sold or dropped.”
Sold by
The Star Tent, in Cloudreach: 120 Star Fragments. World events.
Can't be traded. Your comet-tail bait can't change hands.