Hay was the oseberg ship used for ?

The Oseberg ship (Norwegian: Osebergskipet) is a well-preserved Viking ship discovered in a large burial mound at the Oseberg farm near Tønsberg inVestfold county, Norway. This ship is commonly acknowledged to be among the finer artifacts to have survived from the Viking Era .

Here is a picture of a turtle, just an idea though

C. she wanted to answer sexist rumors about her paintings.