Info about the hook and nail file, found on a couple models of Victorinox Swiss Army knives.
Victorinox Fieldmaster 91mm Swiss Army Knife
Victorinox Climber with long nail file – Victorinox Swiss Army Knives Collection
Ultimate Guide To Victorinox Swiss Army Knives - Knives Illustrated
Victorinox Nail Clip 580 in red - 0.6463
Victorinox Compact in red - 1.3405
Victorinox Red transparent Handle Huntsman Swiss army Folding knife When you hear the words Swiss Army Knife, chances are you think of the legendary Officer's knife. And that legend continues with the Huntsman pocket knife. With the addition of scissors and a wood saw, you're ready to cut through just about anything. When it's time to go offline and off the beaten path, you'll want the Huntsman in your pocket.
Victorinox Huntsman Swiss Army Knife Red
Ranger Swiss Army Knife
Victorinox Swiss Army SwissChamp - 91mm (3.58) Ruby Red Translucent 1.6795.T-X1 (old sku #53506)
What have you used the hook on a Swiss Army knife for? - Quora
Mammoth Tooth Swiss Army Knife
Swiss Army Manager Knife/Red - Andy Thornal Company
Victorinox Swiss Army Knives