Beading
From AmtWiki
Beading is a common but beautiful form of jewelry, it can be used in various other arts to improve and dazzle.
Most arts and craft stores like Joann and Michaels have an extensive bead/jewelry section.
Some common uses of beading in Amtgard are adorning chains, wire-work circlets/crowns, and bragging favors(each bead color and shape represents an award a person has received, put together it does form a rather nice favor, as well as a good conversation piece at events.
Rings and Things. Online catalog with beads, charms and findings.
Some sites for ideas; create-your-style