Talk:Sandworm/@comment-24.74.149.231-20151014030005/@comment-25547106-20151105123328

Flodomable, I believe these specific sandworms use the large teeth on their maws to function like man-made tunnellers. The entire worm body digs by spinning and grinding its teeth against the sand to force it out of the way. They can't dig through stone, from what I'm aware.