Around the age of 10, a certain percentage of girls goes crazy nuts for horses.

Artist Alison Oman of Clarkston was one of these girls, and her experience was idyllic: she learned to ride in the fields and parks around her home in London, England, just like a character in a book. Adding to her passion for horses was the discovery of drawing, which meant that when she wasn't riding horses, she was drawing them.

Years later, upon moving to the U.S. and becoming a citizen, Oman added a third love to the mix: beads, small tiny ones that she weaves on looms to create amulet necklaces with images of...