Here's what I have in my PSK. Boreal forests, three seasons. It is meant to supplement what I always carry on my belt or in my jacket pocket: good grade compass, lighter, Leatherman Supertool, belt knife, bandana, whistle.

Here is what you see from top left:
Mil-Spec pouch
Orange Poncho
4 teabags and heavy zip lock
TP and a ziplock
cotton ball and paper tinder (or paper to write notes)
Packet containing snelled fish hooks, 2 scalpel blades, eyeglass repair kit with magnifying glass, signal mirror, three upholstery needles, band aids, double size emergency blanket, pencil with 50 lb braided fish line 50 feet
Fiskars retractable wood saw, Mora 840 MG Clipper, magnesium sparker and striker, a frog spearhead with a half hot-glue stick protecting points, 50 ft braided heavy line, snarewire, whistle, bobber, button compass, SAK Classic, nylon flag clip, Bic lighter, filter straw, iodine tabs, duct tap wrapped film canister with vaseline soaked cotton balls and two large treble hooks, a LED light, 5 zip ties, 50 feet of 550 paracord and a sierra cup. When I go out, I stuff one Clif Bar in also......yes it all fits in the pouch.