using a special technique very thin slaps the saw one off which i then glued onto a flexible material. the method was invented by based company and. works with the flexibility of the spine as a life when i increase the money the stone becomes flexible if you make it very very thin. we're talking less than one millimeter thick and then combine it with something stabilizing the. roof of an issue that can be fiberglass or cotton fleece . either will stabilize the slice of stone and hold together the stone particles even when the slab gets bent to. the stone used then exposed to heat in cold alternately to make it even more flexible. but that process is a trade secret. by the end it can even be stanched. next issues there are also belts some. banks but their own limits to the usability.