Anyone who's ever had the (dis)pleasure of tripping over the guy lines of their tent knows how important actually being able to see those ropes can be. Nite Ize Reflective Rope ($12) is here to help. Each pack includes 50 feet of green reflective cord that's great for setting up tents, hanging traps, tying up
prisoners tarps or shelters, or just marking the trail between the camp and the designated outdoor restroom area. Just remember: it only works when light shines on it, so if your flashlight goes dead, you're still screwed.