to those already submitted..

petroleum jelly cotton ball in plastic straw to use with ferro rod and directions on sheet

single edged razor blade if knife is too expensive

2x2 non adherent pad... use with bandana or duct tape

duct tape on card...

heavy duty needle/ safety pins

1/2 hacksaw blade and split key ring...striker for ferro, and with a notched tip stick for handle a metal/wood saw

couple of pieces of hard candy

dental floss roll (from your friendly hygienist you visit often because you don't floss)

couple packets of iodized lite salt (for potassium)

water transport bag..I make mine from vacuum sealer material