Zyliss SafeEdge Can Opener
The SafeEdge Can Opener from Zyliss leaves no sharp edges. The cutting wheel mechanism locks it’s self on to the can lid, by opening and closing the turning handle. The wheel then moves outwards, when in the open position, and then inwards to lock itself onto the can when in the closed position.
There’s no need to handle the lid, just pull the opener up and then unlock by pressing down on the turning handle to release the can.