In the seed drill with the Kverneland DLC (Kverneland Optima RS), the balls appear on the transport attacher after the tractor is attached to the working attacher, Giants set the attacher to go up, and because the balls do not hide (you have to do it manually) it looks a bit strange. More on the video.
Video: https://www.youtube.com/watch?v=IR-rx0GKD-M&feature=youtu.be
In the seed drill with the Kverneland DLC (Kverneland Optima RS), the balls appear on the transport attacher after the tractor is attached to the working attacher, Giants set the attacher to go up, and because the balls do not hide (you have to do it manually) it looks a bit strange. More on the video. Video: https://www.youtube.com/watch?v=IR-rx0GKD-M&feature=youtu.be