When a picture is not available, there is an ''oshigata'', a professional drawing showing the details of the blade. Historical accuracy here is sometimes flexible due to the high esteem Japanese often hold for these items. Nicknames always refers to the sword, never to the smith. | When a picture is not available, there is an ''oshigata'', a professional drawing showing the details of the blade. Historical accuracy here is sometimes flexible due to the high esteem Japanese often hold for these items. Nicknames always refers to the sword, never to the smith. |