I like to wear a belt bag when raft guiding, so that I always have my throwline on me. At work we’re given NRS Guardian Angel bags to wear, but I also have my own HF Weasel bag that I wear on a Zambezi Belt sometimes.
One thing that I think is important with rafting kit is to try and keep your buoyancy aid as slim as possible, without too much gear in the pockets. This makes sure that it doesn’t get in the way when getting on top of a flipped raft, or when climbing back in. For this reason, I now carry my flip line on my belt, rather than stuffed down the front of my BA, or in a pocket. The Zambezi belt is a good bit of kit, but the small pouch does have a habit of coming undone as you move around or swim. Hence today’s modification: