This place has the best! Very easy to use since it is sufficient to press the button at each end of row and solid .We can ask him, but personally I prefer to have it around his neck. (Comes without cord which gives us freedom of put one or not.) There is a small wheel to lock, this is a security and more when you have to carry his work. Small indispensable tool in the kit of a knitter and / or crocheter!
