Thanks for the replies everyone. So far what I have been able to include is the following:

Swedish Firesteel (Military Version)
6 Stormproof REI Matches + Striking Strip
4 Sparklite Tinders
2 Micropur Water Purification Tablets
~10 Feet of Paracord

I have all of the above mentioned gear inside of the sheath pocket, except for the paracord, which is wrapped through the belt loop (it is large enough so that it still easily fits over a large belt). I now need to figure out what sort of things I can attack to it in another manner. My top priorities, as were suggested, would be a small LED light and whistle.

Thanks for the replies.

I have everything mentioned above inside of the