In one instance, captured in a dramatic photograph, Delgado forced a charging bull to skid to a halt only a few feet away from him by stimulating its caudate nucleus.

• 其中一个有照片为证的惊人实例，是戴尔嘎多面对冲向他的公牛，利用摇控器刺激公牛的尾核，而迫使斗牛在离他几呎远的地方停了下来。