This linear sharpener sharpens your blade with the same motion you use when cutting fabric. You don't even have to touch your blade, just leave it in your cutter! Sharp blades require less pressure to cut, giving you more accuracy and less chance of slipping.
The high-quality sharpening stone in hones your rotary-blade similar to the way that people sharpen knives. You don't even have to remove the blade from the cutter to use the Linear Sharpener! Just pass the cutter back and forth through the sharpener, using the same kind of motion you use when cutting fabric. It works with any size or brand of rotary cutter.