Korum Chair

Do you set yours up with the legs vertical or with the front slightly raised? If th latter, and you use a side tray, how do you level the tray?

I'm thinking I may have to invest in a bivvy table to protect my back

There are a few decent sized side-trays with a steadying leg which also have a swivelling attachment to make them level - have a look at the newer Preston products, which are the same fit. Failing that, Korum and Wychwood (and others, presumably) have holdalls and backpacks with a moulded table area on one side. I've been using an el-cheapo bivvy table that was a tenner - it's as good as anything else.