What's with katanas and dragging the back of the blade along the sheath before putting it in? - Quora
![Japanese Katana Sword with Sheath on White. 3D Illustration Stock Illustration - Illustration of blade, studio: 120130247 Japanese Katana Sword with Sheath on White. 3D Illustration Stock Illustration - Illustration of blade, studio: 120130247](https://thumbs.dreamstime.com/b/japanese-katana-sword-sheath-white-background-d-illustration-japanese-katana-sword-sheath-white-d-illustration-120130247.jpg)
Japanese Katana Sword with Sheath on White. 3D Illustration Stock Illustration - Illustration of blade, studio: 120130247
![Amazon.com : 40" Japanese Samurai Sword Katana Carbon Steel Blade Dragon Engraved Wooden Sheath w/ Stand - Blue : Sports & Outdoors Amazon.com : 40" Japanese Samurai Sword Katana Carbon Steel Blade Dragon Engraved Wooden Sheath w/ Stand - Blue : Sports & Outdoors](https://m.media-amazon.com/images/I/41na94yPgjS._AC_SX425_.jpg)
Amazon.com : 40" Japanese Samurai Sword Katana Carbon Steel Blade Dragon Engraved Wooden Sheath w/ Stand - Blue : Sports & Outdoors
![Japanese Sword Katana And Sheath On A Bamboo Mat Stock Photo, Picture And Royalty Free Image. Image 78935362. Japanese Sword Katana And Sheath On A Bamboo Mat Stock Photo, Picture And Royalty Free Image. Image 78935362.](https://previews.123rf.com/images/igorbondarenko/igorbondarenko1705/igorbondarenko170501127/78935362-japanese-sword-katana-and-sheath-on-a-bamboo-mat.jpg)