I previously had a sock slipped purchased from Batilde: it was necessary to put fire on canvas cords broke regularly, then it is the plastic which split at the holes where these canvas cords passed with that I ordered from AMAZON comfort is better, there is less effort to provide the telescopic arms are riveted to the metal and plastic However, the fragility is the telescopic level, pulling the top part you have in hand as insufficiently crimped tube at the bottom
