Fleshlight, Really?

I dunno about these things. To be honest, they kind of creep me out LOL. (of course IM not the one that will be using them, but still). What kind of thoughts do you all have on these? Do they really work? It seems like the whole outter part of the toy would kind of take away from the experience with this. Does it work better than the other "regular" mastorbators? Im seriously curious, but not enough to spend any money on them, just yet.