Double Swords sheathed on the back, just like Geralt of Rivia

Double Swords sheathed on the back, just like Kirito from SAO

Double Swords sheathed on the back, just like Kyuzo from Samurai seven

Double Swords sheathed on the left hip, just like Musashi (now include beast race)

Double Swords sheathed on the back hip, form letter X

Double Swords sheathed on the back, form letter X left

Double Swords sheathed on the back, form letter X right