Everyone needs some fun kitchen gadgets, and the OTOTO BLADE Rhino Knife Sharpener is a useful one. With its non-slip base, this helpful tool is not only easy to use but it’s also safe. If you have wet hands after prepping vegetables, you don’t have to worry about slicing your finger on accident. Available in Green and Charcoal color options, the BLADE knife sharpener is a cute little rhinoceros. Primarily made of BPA-free plastic, the OTOTO BLADE causes no issues..