I believe this is what is referred to as a "location mixer". It was not designed to be connected to the camcorder like juicedLink or BeachTek XLR adapters designed for camcorder use. As well there is no "optional belt clip" available from Rolls. You might be able to make one if you are handy, but be careful of the the cable inputs and outputs.

That MX56 looks pretty small - some sort of modified fanny pack should work. Again, be careful with the cable ins and outs. Check the

I have no experience with any Rolls audio product so I can't speak to it's quality or technical capabilities (I use juicedLink and BeachTek XLR adapters).

Just to see what others might use, check the various bags and carrying cases at bhphotovideo.com
http://www.bhphotovideo.com/c/buy/Accessories-for-Mixers/ci/6427/N/4291085967
Most are pretty expensive - this was merely to provide you some idea examples.