If you have any questions for Jop the designer of Clean and Go, Store and Go or Roll and Go, you are welcome to post them here. Also they have a landing page summarising their product, and contact details for further information.
Based in Holland, they have a very interesting perspective, and they develop their ideas and test primarily with Dutch paint contractors. The kit does work, it just takes a little bit of adjustment for UK minds I think, based on our own experience. Once you get it, what they do makes a lot of sense.