The cane is used as an aid to my grandfather, who is now quite happy. Very quickly you can adjust the desired length, and there are fixed grid points. In addition, there are after snapping the extension nor a screw lock, so that the floor does not collapses even with heavy use in itself. So far so good, but my grandfather the floor is once fallen, which meant that the black paint is chipped very spacious and sharp edges on the handle. Here a soft paint or rubber would have been beneficial, because that would also increase the grip. The high-gloss lacquered handle it slips off easily, especially if you have sweaty hands.
