Observation. We learn more by seeing the movements than by reading about them. This week the technique is of learning and teaching by observation. Instructors observe the students and learn. The instructors also demonstrate how the kata are performed affording the student the visual lesson. This concept is a most important one. Use of the mirror allows one to learn visually. Videotapes capture the moves and techniques. The best way is to observe someone doing good karate ... live. Arigato, Kyoshi Robert Scaglione.