24. 2. 2021 This development phase was supposed to work as a cap and pouring tube. Original 1920px The inspiration came from an existing solution for an earphones case, but it failed the dustproof test. Additional info Original 1920px Original 1920px File type: JPGFile size: 16 MBDimensions: 6572 × 4386 pxPublished: 24. 2. 2021 Related article: “We have lots more Simply Clever ideas in store”