Zyliss® Can Opener 5 "Fantasic tin-opener" Camilla 13 November 2013 This is the best tinopener I have ever used. I feel totally confident allowing my children to use it, as it leaves the edges so smooth. It took me quite a while to work out that it WAS opening every tin - to start with I thought it was not working. After turning the handle and going round the whole circle of tin edge, you have to give the top of the tin quite a tug and a wiggle to remove it. This feels odd - sharp edges mean one usually avoids contact with the edges of tins - but with this its totally safe.