Mr Mowmow, you have a wicked sense of humour! I think for it to work properly though, you must use your genuine Ray Mears Woodlore knife to puncture the Ray Mears recommended pot!
Sufolkrafter,
For me, having had a 12cm Zebra for quite a few years, it would be a no brainer. I won't have another Zebra "billy" pot for camping. The so called Zebra billy pots are not light, the lids are sized to fit into the shallow, round, doggy food dish that sits in the top of the billy, so when you use for cooking, the lid is a rattle fit on the billy. Pouring sucks. They are not designed as camping pots. They are not designed to pour and they are not primarily designed to hang over a fire. They are sold in Asian shopping malls in the cookware section and are used by people to carry and storing food. Zebra's own website list them in the "Food Storage" section, while they have another section for camp cook pots. The loop handle is a handle for hand carry, it is clearly overkill for a hang-over-fire bail. The width of it can make getting it to hang on a stick more difficult than a simple wire bail.
I have looked around and don't see much else in the 2litre size.
If it was me, I would be tempted by the Toaks titanium 1100ml pot, but that is about £45...and I don't have that sort of money....and I have a Snowpeak 900 that has done just fine for all my solo meals since 2008 or so! I thought I would miss the bail, and did all sorts to try to make something that would fit, but in the end I found I didn't cook on fires when out camping solo. The Zebra was really bad for use on a stove, whether it was gas, alcohol or hobo-wood; small base to volume, poor heat transfer, hard to pour, hard to hold to eat from, and the handle would flop down into the flames and had enough mass to really hold heat.
Chris