The Pocket Cross


Micro First Aid Kit
In photography there’s a saying: the best camera is the one you have with you. The same can be said of first aid.
On a recent hike I cut my hand. I had a full first aid kit in my pack, but it was buried, and a bit of a burden to get to right then and there. I decided to wait until my next stop to deal with it. By then I’d forgotten. Overnight, that tiny cut turned into an annoying recovery in the coming week. Lesson learned: a kit is only useful if it’s quick enough to dispense.
The Pocket Cross is my solution — a first aid kit small enough to always carry. Desk, woods, even through TSA security at the airport. If I have pockets, I can have this kit.
Design Philosophy
Pocket Cross is built around three ideas:
- Small – 3x2 inches, ~23 grams (disappears in a pocket)
- Multi-use – almost every piece serves more than one purpose
- Modular – three inner bags can ride together or separately
The black cross on the pouch makes it instantly recognizable to others as first aid if needed.
Contents
Bag 1 – Bandage & Wound Care

- 3 small bandages
- 3 medium bandages
- 4 alcohol prep pads (70% isopropyl alcohol)
- 5 small cotton balls
Uses:
- Clean and cover cuts
- Disinfect skin
- Pad blisters
- Cotton + petroleum jelly = fire starter
- Cotton as improvised water filter
Bag 2 – Pharmacy

- 5 zinc tablets (plain white)
- 5 aspirin (white, coated, labeled)
- 5 diphenhydramine (pink, Benadryl)
- 3 ibuprofen (maroon)
Uses:
- Pain relief (aspirin, ibuprofen)
- Anti-inflammatory (ibuprofen)
- Antihistamine (diphenhydramine)
- Immune support (zinc)
- Diphenhydramine also works as a mild sleep aid
- Aspirin doubles as an emergency blood thinner for heart attack symptoms
Bag 3 – Petroleum Jelly

- ~10cc petroleum jelly in a mini ziplock
Uses:
- Locks in moisture, helps keep wounds clean
- Lip balm, blister guard, chafing protection
- Fire starter (with cotton balls)
- Improvised gear lubricant
Firestarting (bonus)
If it's a clear sunny day and you can source a bit of water (the clearer the better), you have everything you need to start a fire!
- Simply empty the wound care bag of its contents, and add water.
- Fluff one of the cotton balls to generate more surface area and add some vaseline (this will help kickstart a spark in a bit).
- Position the bag of water between the cotton ball and the sun, directing a focused beam of light at loose cotton strands until it starts to smoke a bit; blow a little to increase the heat. It shouldn't take long for the cotton strands to ember up and the rest to catch a flame. The vaseline gives you an extra minute or two of burn time to give enough flame to a tinder source.