You beat me to it, but I'll say this video, also by Practical Engineering expands on the technique and shows how binding rock can have amazing properties. http

You beat me to it, but I'll say this video, also by Practical Engineering expands on the technique and shows how binding rock can have amazing properties. https://youtu.be/xNDppVTVUss https://youtu.be/xNDppVTVUss