Handy used Jay’s sword as a base as more bones were added around its outside and molded into it.
Instead of doing it all at once, it did it at smaller intervals along the sword, allowing it to create a fairly high quality product; higher than what should be possible with its level one scrimshaw skill.
Jay watched it as he ate a snack and drank some of his water, reminding himself to do that with his next crafts. While on his journey in the outside world, Jay had not been idle himself, and had been continually crafting, melting and re-crafting bone daggers while he was carried along on his pseudo throne.