I presume it will be for woodcarving, rope cutting, slicing kindling, cleaning fish etc. I have always carried a pocket knife and use one nearly every day. They vary from a Schrade "Old Timer" fishing knife, Gerber folding, and Swiss Army. All are excellent quality knives and I find the Swiss most useful in the real world. All three are worth a look.
Amazon.com: Schrade 3 7/8" Gunstock Trapper Single Lockblade: Home Improvement
Gerber 06069 Folding Gator Knife - Clip Point, Fine - Box - Amazon.com
Amazon.com: Victorinox Swiss Army Adventurer Pocket Knife (Red): Sports & Outdoors
No Porsche event would be complete without a good beer bottle opener and corkscrew.