Another way is to assemble the different pieces into a block, forge weld it together, and then draw out the steel into a sword so that the correct steel ends up in the desired place.[7] This method is often used for the complex models, which allow for parrying without fear of damaging the side of the blade. To make honsanmai or shihozume types, pieces of hard steel are added to the outside of the blade in a similar fashion. The shihozume and soshu types are quite rare, but added a rear support.