This multifunctional cutter sharpener is designed for camping and kitchen use and provides doublesided sharpening to cover a wide range of knives and blades. Key benefits Doublesided sharpening on two rails for versatile edge maintenance of various knives and blades Portable and compact, ideal for camping, travel, and home kitchens Safe and userfriendly with a secure grip and proper handling to minimize risk Efficient sharpening that delivers sharp results with minimal effort when used as directed How to use Place the cutter flat on the rail closest to the handle Push the blade away from the abrasive on that rail Repeat on the corresponding rail, turning the blade toward the abrasive 510 times For razorsharp results, follow these steps consistently Compatibility and performance Works with a variety of knives and blades Two sharpening rails provide balanced sharpening across edges Use scenarios Camping trips: quickly refresh camp knives and utility blades for cooking and tasks Home kitchen: maintain kitchen knives between uses, ensuring easier prep Outdoor activities: prepare and sustain sharp edges for cooking or tasks while away from home Safety and handling Ensure a secure grip and proper handling of the cutter and blade Use on a flat, stable surface and follow the steps to minimize risk of accidents or injuries