If you have something to add contact Teiwaz . Always view the source - Burningman Surviving Guide , and Heloise of the Playa . A great list from ARF - also check out their pages on Coolers and Ice and Surviving the Wind . Bob Stahl has a great page on desert structures . Bubble fluid, bubble wands, giant bubble-making doodads, etc.
Helps avoid sunburned neck.
We got ours at a local surplus store. Not really necessary the rest of the time, but nice to have. It ain't about surviving. It can be downright unhealthy if taken in quantity when you're dehydrated. You can also get little packets.