I didn't like the lanyard that Fenix supplies, but I had some of this reflective cord from Cabela's that can be forced through the tail-cap holes:
http://www.cabelas.com/cabelas/en/t...mon/catalog/item-link.jsp_A&id=0030002516842a
http://www.cabelas.com/cabelas/en/t...mon/catalog/item-link.jsp_A&id=0030002516842a

