Bottom Feeder

Bottom Feeder is an Harvesting Tool in Fortnite: Battle Royale that can be obtained from the Item Shop for 1,500 V-Bucks.

Cosmetic Review
The pickaxe itself is an anchor, wrapped up in large chains.

Trivia

 * It could be obtained as a reward by fishing the Mythic Goldfish between the 22nd and 24th November 2019 in the Fishing Frenzy Competition.