To search the cellar in Sacked for Wainwright Jakobs in Jakobs Estate in Borderlands 3, jump on the barrels on the right wall and then climb up to the platform. The clue is on a barrel in the back left corner of the platform.

Next: Find Clues Underneath Jakobs Estate
All Sacked Guides
All Jakobs Estate Guides
All Borderlands 3 Guides

Jump up the the platfor and collect clue to search the cellar in Sacked for Wainwright Jakobs in Jakobs Estate in Borderlands 3