Scrimshaw

Engravings and carvings done in bone or ivory, created by sailors

Scrimshaw is scrollwork, engravings, and carvings done in bone or ivory. Typically it refers to the artwork created by whalers, engraved on the byproducts of whales, such as bones or cartilage. It is most commonly made out of the bones and teeth of sperm whales, the baleen of other whales, and the tusks of walruses.

This keyword could refer to multiple things. Here are some suggestions: