The design had to take hours of reflection to a team of engineers, one that is impossible to accumulate as many defects on a single product: -The grid is unable to cut sweet potatoes (for against works great on fingers). -I am surprised, given the quality of the plastic used, the craft does me has not yet exploded in the face. -the vegetables to be introduced at an angle, you have to be a brute force to settle any potato. -having the size of the vegetable compartment, you have to cut them into pieces that will block the device.
Conclusion: Cheap, but poor quality.
For those seeking a convenient cut fries, direct you instead to this product (or similar product): Cup Fritex fries - 49 holes