Good in theory, but not practical enough to use in the field. TP is still easier.
I purchased this as a lightweight backpacking solution. In theory, it is! But I haven't used it in the field for a number of reasons:<br />(1) It just seems like an awkward thing to carry because the attachment doesn't fit neatly into the bottle (it rattles around). You should be able to screw the nozzle back into the bottle in reverse so everything's self contained. I'm not sure how to carry the attachment (I don't want it touching my gear and don't want to carry something extra just to protect the glass.<br />(2) Glass - why? It seems fragile and I don't want to break it in a heavy pack.<br />(3) It should come with an extra cap for the bottle so you can carry water inside the bottle (then when you need it, the water is ready to go and you don't need to grab your hydration system to fill it). If you're in a rush, I can't imagine this being a quick process.<br />(4) Carrying the extra water it requires to use is heavier than a roll of TP.<br />(5) Cleaning the device when backpacking seems like a mess all by itself<br /><br />I'll give this 2 stars because it's a decent idea, but need to subtract a few stars because it isn't practical enough for real-life use. Not to mention it's way over-priced for what it is. It's still in the package, collecting dust. I can't return it because the product isn't available anymore and the company has no online presence anymore.
Rating: 2 stars