translation.en: The way we did that was to get a perforated drum which is full of bait, wrap it in a neoprene skin, and then run two stereo underwater cameras to watch how the shark actually engages with that rig.
translation.zh: 我们所做的是 将一个装满鱼饵的多孔的滚筒， 用橡胶皮包裹起来， 然后开启两台立体声水下摄像机 来观察鲨鱼是如何对待那个设备的。