The design for the 3 in 1 Flint Rod Striker Fire Starter Whistle makes it easy for you to use guiding you to place your thumb in the perfect spot to create the most leverage when gripping the striker. A whistle is integrated within the fire starter allowing you to signal other individuals in cases of emergency. The key-ring allow for you to carry your keys, lanyard, carabiners and/or paracords along with the flint whistle to ensure that it will not be lost. You'll undoubtedly want the flint striker in cases of an emergency. You don't want to be caught without it when you are stranded in the middle of the woods. Sure you might have matches, but matches get wet, and once they are wet they are useless. The striker can easily be used when wet. Lighters work well, but they eventually run out of fuel and outlive their usefulness whereas the flint can be used for many years. It's a must-have in any pack. This has many different uses Emergency Preparedness, Doomsday Prepper, Backpacking, Survival, Camping, Every Day Carry, Boating, Hiking, Bug out Bag, or Zombie Apocalypse. It also makes an excellent gift for Christmas, Valentines Day, Stocking Stuffer, Anniversary, Easter, Birthday, or Fathers Day. WARNING: This product can expose you to chemicals including bisphenol_a_(bpa), which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, go to: www.P65Warnings.ca.gov