These pocket-sized knife sharpeners are great for putting an edge on your blade fast. They do not require oil, making them good for travel as well. These are totally hand held without guides.
Work Sharp Pivot Plus Knife Sharpener with Pivot Response and Con…
Victorinox Forschner 49002 Swiss Sharp Handheld Knife Sharpener (…
Camillus 19224 Glide Hook, Knife, and Shear Sharpener, Ceramic an…
Work Sharp EDC Micro Sharpener with Integrated Knife Torx Tool
Work Sharp Pivot Pro Knife Sharpener with Pivot Response and Conv…