The wakizashi was used as a samurai's weapon when the katana was unabailable at the time. The servant of the samurai would hold the samurai's katana when the samurai went indoors. Placement was critical on the "Katana-kake," a rack where the katana was put the hilt of the sword must be pointing left so the samurai could pick it up with his left hand, put it in his right scabbard, and put it over his shoulder. This would be for the katana. The wakizashi would be worn at all time. A samurai would wear it from when he woke up, to when he went to sleep, and he would sleep with the wakizashi under his pillow.