Among the aspects of Eishin-ryu Iaido that are commonly performed incorrectly is the proper grip on the handle of the practice sword. The grip is crucial because it is the final lynchpin in the transmission of power from the body, through the arms, and into the cutting edge of the sword. Text and photos provide clear directives.
Journal of Asian Martial Arts, Vol. 15 No. 2 (2006): 8 pages.