Two People Bucket Brigade U Loop Published on January 10, 2017 in The Chaku Chaku LineFull resolution (689 × 477) Two People Bucket Brigade U Loop Illustration of two people doing a bucket brigade in an U loop. This work by Christoph Roser at AllAboutLean.com is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Please credit the image as shown below. For digital documents and web pages please do include the links as shown below. Thank you.By Christoph Roser at AllAboutLean.com under the free CC-BY-SA 4.0 license.