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When people painting the walls, they always encounter such a trouble: After dipping in paint, the brush should be scraped at the edge of the paint bucket——Nobody want to see a paintbrush dripping with colorful paint. However, the edge will be attached to a large of paint, which is annoying and not easy to clean up. The Coiling paint bucket provides a solution to this problem. Brush can be scraped on the string instead of the edge of the pain bucket. After using you can replace the coloured string by pulling out the new string from one reel to another without dirtying the bucket and your fingers.
Xiaoyu Wang, Chengming Li