And how about the NiteIze headband???
a couple of years ago, after many, many years of HL use while trekking, i switched fr/using purpose made headlamps to flashlights since they are lighter, generally more durable, brighter (when needed), more than decent burntime on lower light o.p. levels, and are more advanced than headlamps (though some HL's are finally starting to catch up).
however, since i nearly always use two trekking poles, i need to head-mount the flashlight.
to date, i have tried four different solutions in chronological order:
1) a barrel clip fr/a MiniMagLite (also part of the $3.95 MiniMagLite Accessory kit) works on many AA and some CR123A lights (Fenix, LumaPower, Muyshondt, and Bitz for example, but the Ra-Twisty, for example, and some others are too large in diameter). i merely clip the light to the stiff visor/brim of a ballcap.
2) a homemade "JakStrap", of sorts with multiple elastic loops (five to be exact) set at three different angles: straight ahead, down ~45 deg, and at the forehead straight down (to be used on low power settings for task/proximity lighting in camp/tent or under tarp). two loops are on each side (one pointing straight ahead, and one angled down at ~45 deg) in addition to the downward pointing one at the forehead.
3) the original JakStrap original and JakStrap II headbands. the original has two loops, one pointed straight ahead and one angled down at ~45 deg. the JakStrap II has an elastic and velcro loop angled down somewhat and can hold larger diameter lights. both JakStraps have velcro adjustable elastic headbands which are quite comfortable and remain in place (i.e. no "walking").
4) the velcro adjustable NiteIze headband. it appears to be quite durable due to the nature of the material that the headband is made from. only clever feature of this headband is the concentric elastic loops; the inner one to hold smaller diameter lights, and the outer one to hold larger diameter lights. i can't recommend this band for two reasons: 1) the elastic loops only point straight ahead (this really isn't too big a deal, but does mean that to check out foot placement one needs to bend one's head down more to illuminate the area in front on one's feet), and 2) this one is a "biggie" (for me at least; YMMV), the heavy duty NON-ELASTIC webbing that the headband is made from "walks" or slides from its original position as one continuously moves one's head about while hiking on the trail. since it is non-elastic, it needs to be somewhat overtightened to keep it in place - fine for 5min use, but after 20min it becomes uncomfortable.
i still use all of the first three items mentioned above. having an ~45 deg down angled loop to hold the light means that i need to incline and decline my head less to see closer and farther away. often very little head movement is req'd depending upon the amount of spill that the particular flashlight being used happens to have.
it is easy enough when using a JakStrap headband to change the angle that it sits on one's head in order to fine tune the angle at which the flashlight points. this is not very much different fr/adj. a HL's declination. in fact, it is essentially the same as if one were to use a Petzl Zipka/ZipkaPlus HL.