In the video, they use a Electric Fly Swatter. I vouch for it. It's incredible useful. Buy one asap. From a comment: > Rather than spotting them It should zap

In the video, they use a Electric Fly Swatter. I vouch for it. It's incredible useful. Buy one asap. From a comment: > Rather than spotting them It should zap them directly using a powerful enough laser, and that I would buy. Someone posted a project like that https://news.ycombinator.com/item?id=28793660 https://news.ycombinator.com/item?id=28793660 but I'd be very nervous to use it.