In the US, 29 April is National Zipper Day. And on National Zipper Day, why seize the day when you can seize two? One website states “On April 29, 1851, [Elias] Howe applied for a patent for the ‘Continuous Clothing Closure’.” Another states “The day commemorates the date in 1913 when the zipper was patented… Continue reading #OTD 29 April