Umbrellas for the Civil but Discontent Man (2008), by Bruce and Stephanie Tharp,
manufactured by Kikkerland
Just because it's rainy season it doesn't mean that you have to go without your swords. Here are three such combination of weapon and umbrellas by Bruce and Stephanie Tharp of Materious:
"Sigmund Freud contends that aggressiveness is a fundamental human instinct whose inhibition is a necessary obligation of social life. These umbrellas combine a symbol of gentlemanly refinement--the full-sized, black umbrella--with an element from more manly sword-bearing times. The umbrellas offer brief psychological respite from the dictates of social amiability.
Core 77 has the write up of the couple's art display in Milan Design Week 09: Link - via oobject