Runner Bean (phaseolus coccineus) slicer & stringer
1) end blade for "topping and tailing
2) pushing the collar to one side reveals the 4 main slicing blades and the 2 small outer blades that remove any edge strings
3) bean is pushed through the blades supported by collar
4) pulling the rest of the bean through from the other side will complete the slicing
5) the sliced bean minus any side strings