Now you can make your needle sharpener eco friendly Walnut Filled Pincushions with this loose Walnut Shells. It's great alternative to our Emery Sand Pincushion Filling! You've probably seen Tomato with Strawberry Pincushion in any store. Do you know this tiny cute Strawberry Pincushion has Emery Grain inside? Emery is a very hard rock and mixed with other species of mineral and it becomes extremely abrasive. When you stick your needle into an Walnut Pincushion, it cleans and sharpens your needle, making your work quicker and easier. Every time you stick your needle or pin into an walnut pincushion, it cleans it of the natural oils in your fingers and any impurities in your cloth. It also sharpens the very tip of your needle, making your work quicker and easier on your hands. Please use an inner cover for your pincushions so walnut shells doesn't escape through pinholes. Keep away from children.