2) In spite of the clearly already used sets, I tried out the razor. On the whole, I was happy, only you have to rinse the razor frequently due to the small distance between the knives 4, as set hair and foam very quickly. (-1 *)
Result: With a cheaper 3-blade shaver has a just as nice result and does not have so often wash the shaver. In addition, one must not forget that the blades are extremely expensive. Price / performance ratio does not fit here, of course.