Once a student begins to practice in armor, a practice may be composed of any or all of the following types of practice and this will depend upon what the instructor’s focus is at a particular time: Kiri-Kaeshi: successively striking the left and right men, practice centering, distance, and proper cutting while building spirit and stamina. Waza-Geiko: technique practice in which the student learns to use the many techniques of Kendo with a receiving partner. Kakari-Geiko: short, intense, attack practice which teaches continuous alertness, the ability to attack no matter what has come before, as well as building spirit and stamina. Ji-Geiko: sparring practice where the kendoist has a chance to try all that he or she has learned with a resisting partner. Gokaku-Geiko: sparring practice between two kendoist of similar skill level. Hikitate-Geiko: sparring practice where a senior kendoist guides a junior kendoist through practice. Shiai-Geiko: competition matches which are judged on the basis of a person scoring valid cuts against an opponent.