Not exactly high quality production, but the notion to show this to Patrick Dickinson after one of his videos shows why I don't have a YouTube following :-)
Anyhow, if you like proper coffee whilst you are out and about, you really could do a lot worse than an Aeropress. Quick to make a really smooth and rich coffee, quick and easy to cleanup and not that heavy (although heavier and bulkier than a coffee bag it a packet of instant).
Wouldn't normally carry a litre of milk but we were camping on my school field and were well equipped...
https://youtu.be/a3ZbBom0_b4
