I was curious since I'd never seen that thing, so I watched the video: that looks useful only if you have someone to apply it to you. Seems like there'd be a ma

I was curious since I'd never seen that thing, so I watched the video: that looks useful only if you have someone to apply it to you. Seems like there'd be a market for an automatic one where all you have to do is push a button and then smash it into your face.