More detail on the Multi Boom can be seen here as well - http://flashhavoc.com/phottix-multi-boom/
I have been involved with beta testing and reviewing (and of course using) TTL radio triggers since the first options where available, and the Odins are definitely a standout because they are really very powerfull in terms of functions but also incredibly simple and trouble free to use. You can literally start working with them without even having seen an instruction manual.
They do still have have a few limitations to be aware of though, you can see more about that in my review here from a slightly different perspective -
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