The small, inside, at the time of high school baseball exercise, batting exercise safety and safety net equipment in order to advance effectively

摘要

Topic The controversial issue and persistence of exercise and the repeatability margin is cancelled in order in former batting exercise manner, with proposition of new exercise manner being safe can be utilized to encounter, it offers the safety net equipment of the size which is suited for efficient exercise.SolutionsIt is the safety net equipment where this device, in order to solve the aforementioned controversial issue, miniaturizes the safety net for L letter die pitcher exercise in the size which is not until recently, is suited for efficient exercise. Choice figure Drawing 2