They offer a zillion different models, Ireckon, probably they do have a similar light with a clip. Funny, until you posted that I didn't realize it lacked one! Just goes to show we must use our lights in a bit different manner. My Surefire E1B has a reversible clip but the only time I've ever used it was once to secure it in an organizer sleeve of my Maxpedition Kodiak.
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“I'd rather have questions that cannot be answered than answers that can't be questioned.” —Richard Feynman