I have one... Here are some things you might not have thought of and why I have them.
Paniers - so your dog can carry its own gear
Food dishes - keeps the food clean and off the ground... no smell... won't attract other critters or leave a trace for others to find
Muzzle - sometimes you need to keep your dog quiet so it won't give you away, plus, if you meet up with others, they may not trust your dog and this may allow you to walk freely among them
Short leash - keep control of your dog in "tight" spots, plus... keeps control if you meet up with others
Long cordage - tie it across your camp and hook the dogs leash to it... lets your dog patrol your whole camp but keeps it from running off
Tweezers - for ticks or thorns/splinters in paws
Nail clippers - keep nails short... especially dew claws that can grow long enough to rub/cut into the other toes/pads
Hair brush - if you are in the wild for a bit... your dog is bound to get burrs and other crap in it's fur
Silent dog whistle - start training your dog to obey... then use it in the field (by the way... you should teach two different "stay" commands. One is stay and come when I call you. The other is stay, remain quiet, and don't move no matter what I do or say until I give the release command. The last one will keep your dog hidden in even the worst situations. You might also consider changing what words you use to command your dog. Use another language... or better yet... pick random words that no one could guess. Military Working Dogs are trained the same way.
Sulfadene - a skin treatment for dogs. Works on humans as well... but skin issues are your most likely issue (not counting mechanical injuries, gunshots, or fights with other animals)
Hope that helps.
Paniers - so your dog can carry its own gear
Food dishes - keeps the food clean and off the ground... no smell... won't attract other critters or leave a trace for others to find
Muzzle - sometimes you need to keep your dog quiet so it won't give you away, plus, if you meet up with others, they may not trust your dog and this may allow you to walk freely among them
Short leash - keep control of your dog in "tight" spots, plus... keeps control if you meet up with others
Long cordage - tie it across your camp and hook the dogs leash to it... lets your dog patrol your whole camp but keeps it from running off
Tweezers - for ticks or thorns/splinters in paws
Nail clippers - keep nails short... especially dew claws that can grow long enough to rub/cut into the other toes/pads
Hair brush - if you are in the wild for a bit... your dog is bound to get burrs and other crap in it's fur
Silent dog whistle - start training your dog to obey... then use it in the field (by the way... you should teach two different "stay" commands. One is stay and come when I call you. The other is stay, remain quiet, and don't move no matter what I do or say until I give the release command. The last one will keep your dog hidden in even the worst situations. You might also consider changing what words you use to command your dog. Use another language... or better yet... pick random words that no one could guess. Military Working Dogs are trained the same way.
Sulfadene - a skin treatment for dogs. Works on humans as well... but skin issues are your most likely issue (not counting mechanical injuries, gunshots, or fights with other animals)
Hope that helps.