Blackburn's Multi Mirror offers a nice, wide and clear view of what's behind so that you can ride more safely. It quickly and easily attaches to virtually any handlebar configuration. Plus, it's designed to eliminate rattles and shakes so your view is motion-blur-free.
Mirrcyle's Incredibell Big Brass makes a dual-tone, melodic ring with the beautifully resonant ding of solid brass. Its compact size lets you mount it just about anywhere on your handlebars.