It is better not to have a knife rather than owning a dull knife. Dull knives are dangerous. For eg: It’s likely to slip off the vegetable you’re chopping and cut your finger instead. A sharp blade is very important for the performance of your knife and your safety. This is applicable to any sort of knife survival, paring, boning,edc, pocket, or even a machete. A sharp knife is vital for safety since a dull blade requires more force to do the job when compared to a sharp blade. The end result is that if you have a knife or knives, then you absolutely need a sharpener to maintain your blades sharp. Some companies offer the service of sharpening their make of knives, however, in addition to the risk of loss during shipment or damage during handling, if you have to ship your knives to be sharpened you happen to be less inclined to you can keep them sharp. Typically, the process usually takes weeks before getting your knives back.