To get this cache go to the listed waypoint in the dark with a bright torch or a head lamp. Cast the light around in a southerly general direction until you see an orange marker reflected back at you. Head to that marker and look for the next one, it shouldn't be too hard, when I Beta-tested this cache, at times I could see up to three markers ahead. When you see two markers reflecting back at you, look around for the cache.
The reflective markers used for this cache are 'FireTacks Reflective Trail Markers' and have a property called retroreflectivity. This means the light is reflected back to the light source. So in order to see the relected light your torch needs to be held at head or shoulder height, so maybe this is where the use of a head lamp would be an advantage.
I've used the Teamwork attribute on this cache as it is best done as a minimum team of two, one person to seek out the Firetacks, and the other to light the path ahead for safety reasons.
I've placed more 'Fire Tacks' to direct you on a retun direction to the path you started on. If the 'Fire Tacks' are leading you in an uphill direction, you are heading towards the cache. However if the 'Fire Tacks' are leading you in a downwards direction, you have been turned around and are following the direction back to where you came from.