But, here are some favorite online sources for supplies:
New and vintage Japanese textiles for special projects. Beautiful stuff.
This online shop has tons of vintage-reproduction fabrics from a variety of eras. They also stock fat quarter packs.
Sew, Mama, Sew!
This online shop has lovely packs of coordinating fat quarters, just perfect for Kanzashi-making.
This company will take your design and print it onto cotton fabric. Imagine turning that into Kanzashi!
D. Blumchen & Company
You'll find a wide variety of stamens here, plus gorgeous silk leaves and oh, so many other things you didn't know you couldn't live without.
This company has lovely stamens at great prices, plus supplies for an equally-addictive kind of flower-making: nylon flowers.
A great source for ring and hair pin blanks.
This company carries a wide variety of findings, including hard-to-find shoe clip blanks.
Fire Mountain Gems
This bead and jewelry company is a great source for basic findings such as jump rings, eye pins, and wire.