The invention relates to a hay net holder comprising exactly one wall part (1) and having a first fold-out part (3) and a second fold-out part (3.1) and a metal strut (2) connecting the two fold-out parts (3, 3.1) to each other, wherein the two fold-out parts (3, 3.1) are each connected at one end to the wall part (1) via a wall joint (4, 4.1), and are each connected at the other end to the metal strut (2), and have hay net hooks (20) for holding a hay net (13), wherein the first fold-out part (3) can be folded into the extension of the wall part (1) on one side and/or the second fold-out part (3.1) can be folded into the extension of the wall part (1) on the other side.