Shurikenjutsu is budo. In training, the practitioner must have the feeling of confrontation. 1.Everything must be based on knowing that ones fine motor skills will often diminish in a threatening situation. 2.The distance and angles between you and the opponent/s is always in flux and can change rapidly. 3.The psychological pressure when in offense or defence must be realised and addressed. Keep the art real and bring it to life. Concentrate on solid taijutsu and taihenjutsu kihon to forge a sta