article_snippet: The shield (pictured) is aerodynamically designed to reduce air resistance so The shield (pictured) can be used in windy weather .
article_snippet: Last summer, a firm in Delft, the Netherlands, invented a simple clamp that fixes to a bike's handlebars to hold a windproof umbrella.
article_snippet: The holder can also be used to store a windproof umbrella when the rain stops too.
article_snippet: a windproof umbrella's asymmetric design is said to help a windproof umbrella withstand high speed wind gusts of up to 70mph (113kph), because wind is directed over and around a windproof umbrella.
article_snippet: While a windproof umbrella makers, Senz, cautions against riding in high winds, The umbrella's asymmetric design lends The umbrella's asymmetric design to coping with the air stream created by cycling.
article_snippet: a simple clamp that fixes to a bike's handlebars to hold a windproof umbrella costs €39 (£31) while the umbrellas come in different sizes and are sold separately for €25 (£20) and €50 (£40).