This arm belonged to a man who lived the early 20th century. He was in love with Ada the Acrobat, whom he had seen performing in the circus when it came to the little town where he lived. Time did not dim his love, or his memory of Ada jumping through a ring of fire on her trusty horse, Harriet.
....Actually it's a wooden clock, and it's in my Etsy shop. But you probably realised that.
Or maybe not.