1. As a coffee filter.
2. Stuff 20 or more Bandanas loosely into a stuff sack and you've got nice pillow.
3. Make a sling for a hurt arm.
4. To polish your mountain bike.
5. To check the wind direction.
6. As a towel or wash cloth.
7. As a blindfold for "playing pin the tail" on the bear.
8. As a dust/wind mask, like the cowboys in the old west.
9. Bandanas make great placemats on a picnic table.
10. As a potholder for handling hot pots and pans.
11. A backpacking strainer for pasta.
12. Use as a neckerchief or scarf.
13. To pre-filter water.
14. Wear as a headband.
15. Soak in water, wrap around your neck and the evaporation keeps you cool.
16. Emergency diaper.
17. To start a campfire, when no paper is available.
18. To gather wild blueberries in.
19. To secure a splint on a broken arm or leg.
20. Tie on the end of a stick to hold your personal things when running away from home.
21. A tourniquet.
22. A warning flag. (red bandana)
23. A surrender flag (make sure it's white)
24. To tie your ski's together for carrying them.
25. A blanket for your chihuahua.
26. A few twigs, scotch tape and some string, BINGO, you've got a  mini kite.
27. To make a tail for a kite.
28. Tie two together and twist them to make a belt.
29. To mark your territory in the woods.
30. To clean your eyeglasses
31. Gear loft for a tent.
32. Napkins at a picnic or BBQ.
33. To do magic tricks like the disappearing coin trick.
34. Wrap around snow or ice to make a cold pack.
35. As a flag for your next "Capture the Flag" game.
36. As a dog collar.
37. Add a piece of cord and you have a halter top.
38. Cut or tear into strips and use as trail markers.
39. Attach 4 pieces of cord to make a parachute for Barbie or Ken or GI Joe.
40. As a respirator in a smoky or dusty area.
41. Emergency swim trunks, two to make a bikini.
42. A food cover to keep bugs off.
43. Makeshift hat (knot at each corner).
44. To keep flying bugs off your face while napping.
45. Tie several together and twist for a makeshift rope.
46. As a handkerchief.
47. Hang on tent guy line to keep people from tripping.
48. Emergency T.P.
49. Tuck under back of hat to keep the sun off of your neck.
50. Emergency repair for a broken strap on a pack.
51. Tie on the end of a ski pole or stick to mark the location of your snow cave.
52. To wrap a sprained ankle or wrist.
53. A makeshift brassiere.
54. To play tag football.
55. To hobble your pack animal.
56. To lead a line dance in folk dancing.
57. Sew a bunch together for a really cool sea kayak sail.
58. A back country flirting device - hold it demurely with elbow bent and wave it gently.
59. Exchange them at your wedding instead of rings.
60. To tie your water bottle to your backpack.
61. An emergency sanitary napkin.
62. Wear one just to look cool.
63. As a blindfold to let you sleep past dawn.
64. To blindfold little kids when encountering skinny dippers.
65. Wear as mask when robbing a bank or stagecoach.
66. To gag a wacky tent partner that won't stop jabbering.
67. As a hair tie or hair band.
68. Tie onto your luggage to make it easy to spot at the baggage claim.
69. A makeshift case for your sunglasses to prevent them from getting scratched.
70. Roll Bandana loosely and tie around ears on cold windy days to use as earmuffs.
71. To distinguish twins, triplets, etc...
72. I use my Bandana to keep my visor from flying off my head when the wind blows or while riding my bike.
73. To make a sling to throw things fast and far (e.g. tennis balls for dogs, rocks at racoons.) Find a long stick with a Y-shaped end. Tie a Bandana in a pouch across the Y and sling away.
74. Moisten it and wrap leftover pancakes, biscuits, etc. in it, to keep from going stale during the day or night.
75. Wrap bacon, salt pork, etc. after cooking to degrease.
76. To plug your nostrils after being sprayed by a skunk.
77. As a patch for tired pants.
78. To mark which trail you've taken, for the rest of your group to follow.
79. Tie over your head to keep strong winds from blowing your hearpiece down the trail.
80. To scrub dirty dishes or dry the clean ones.
81. To keep your backside clean when sitting on the ground.
82. As a portable ruler - make marks on edge with permanent marker.
83. To dry sweaty hands, if you'r caught with an empty chalk bag, when climbing.
84. To claim your stake on BLM land.
85. To wipe a muddy Frisbee after a day of mudultimate.
86. Use as a net to gather minnows for bait.
87. A great hat band.
88. To Wrap a gift.
89. Car window shade.
90. To muzzle your dog.
91. To muzzle your mother-in-law.
92. As a bookmark.
93. Great handcuffs for ??
94. An occupied sign on an outhouse.
95. To tie canoes together.
96. Use to flag down a Taxi
97. Put on car antenna for easy spotting in parking lot.
98. Fill with catnip for great cat fun.
99. To handle hot radiator cap or check oil in your car.
100.Stick 2 ends through the top of your skydiving helmet so you have bunny ears on the dive down.