This is one of the many bristly brushes used over the decades (quite a few by me!) to scrub the wooden decks on the tall ships Tenacious (seen here) and Lord Nelson (there’s a photo of ‘Nellie’ in the gallery below).
March’s square theme is Spiky Squares (spiky, jagged, pointy, bristly, serrated, prickly, spiny, and/or barbed). As always with a Square challenge, thanks are due to Becky for hosting and keeping us all in touch.
Here’s a round-up (square-up?) of my offerings for the past month: