Glue cardboard to the other side of the atoma.Cho 800 is too big, imo. You don't got room for that in your suitcase, with the base and everything! Plus, I took it on a trip with me once to sharpen some knives, and had to do some really dull ones. Took forever.
Maybe you should just bring an Atoma 140 and be done with it.
PS. Did you get a SG 500 yet? Come on, man.
PPS. For a 2 stone combo, SG 220 and 1000 is probably a good idea, as @dafox says. I've never used the 1k, but the 220's fast. And if you stack them they're still thinner than Cho 800.
I always forget about the base. All my chosera’s have no base which makes them very travel friendly but they’re a little less common than the ones with the base.Cho 800 is too big, imo. You don't got room for that in your suitcase, with the base and everything! Plus, I took it on a trip with me once to sharpen some knives, and had to do some really dull ones. Took forever.
Do you have any additional information about diamond stones.Over in another knife forum I visit, diamond stones are highly regarded. Probably for the ability to quickly abrade the more complex stainless steels. One of these diamond stones may be worth looking into for a travel stone. They certainly fit the requirements you have listed.
This is a great suggestion and is exactly my travel setup (Duosharp + Shapton Glass 1k) for sharpening the soft stainless knives of friends and relatives. I just used it last week to resharpen my own old and inexpensive set of stainless steak knives and it made quick work of an unpleasant task.DMT duosharp coarse/extra coarse + a SG 1k-3k should do the trick for any stainless knives. Less than 1 inch tall combined and you'll be able to keep your stone flat too. Atoma cuts faster but the DMT style diamond plates are better for SS knives IMO.