http://www.bikeradar.com/news/article/wolf-tooths-system-b-rad-will-help-you-ditch-the-hydration-pack-49694/
Looks ridiculous, frame bag and hydration bladder makes so much more sense.
There are advantages/disadvantages to both.
@TM started
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http://www.bikeradar.com/news/article/wolf-tooths-system-b-rad-will-help-you-ditch-the-hydration-pack-49694/