I'm more than happy to write a review. I use the original Koko caliburn. I have been using the Coco caliber for I want to say almost a decade it helped me get off the original cigarettes. I like the fact that it is on a chain which is so convenient considering the fact that I lose everything it hits perfectly it's slim and I've never had a real problem with the device themselves until they actually just break and it takes a few years for them to break. So when I heard that they were discontinuing them and vape stores had some left in stock I had to get a couple because I've tried other Vapes in the past I don't like any of them none of them and I'm so damn picky I like my original Koko caliburn. So from here on out vape stores is going to be my first go to for any of my needs.