The Tsuba is the guard on the Katana that protects the wielder's hand during a sword fight and keeps the swordsman's hands from accidently slipping forward onto the blade. The word Tsuba means "guard" in Japanese. There are two main types of tsubas: the Sugata (meaning "undefeated") tsuba and the Mune (meaning "bell") tsuba. The Sugata tsuba does not have any decorative carvings or writing on it, while the Mune tsuba has calligraphic designs on it. A third type of tsuba called the Shikishin (meaning "three victories") has three carved dogs' heads attached to it. All tsubas are mounted on the pommel of the sword but some can also be found on the grip or elsewhere on the weapon. With each strike of the samurai's sword, there was a risk of injury to the hand that was not holding the sword. To protect against this danger, the warrior would mount the tsuba on his sword handle. This way, he could feel the weight of the tsuba with his hand and know exactly where it was at all times during the battle.