Review on Simpresso Portable Espresso Maker: Compact Travel Coffee Maker for Nespresso Pods & Grounds, Manual Operation, Premium Travel Package with Full Accessories by Ken Vargas

I used it with Nespresso capsules and it made decent coffee. Of course you also need a 12V kettle for on the go. must be properly installed and tightened. It seems like a small thing - but it isn't. If the outer transparent sleeve is not in the correct position, it will leak. If you turn the black insert upside down, you get diluted water. If you tighten the bottom part poorly, it will leak. It would be nice if they could make a device with fewer parts. Until then, he at least allows you to drink espresso on the go, if not on the first try, then on the second.