Mussel shells kill you. Whatever you, don't sculpt with human bones.
https://theprovince.com/news/canada/an-artist-suffered-mysterious-symptoms-for-years-then-she-realized-her-sculpture-was-poisoning-her/wcm/562ee62b-7e27-4e00-a9ae-88f6c2c32e34
Mussel shells kill you. Whatever you, don't sculpt with human bones.
https://theprovince.com/news/canada/an-artist-suffered-mysterious-symptoms-for-years-then-she-realized-her-sculpture-was-poisoning-her/wcm/562ee62b-7e27-4e00-a9ae-88f6c2c32e34