Well the last one provoked a comment about the digestive system of the edible snail. Which is just as well as Dearieme was quite right. The instrument of torture, James, is for holding the escargot while you attempt to wrestle the mollusc from its shell with a pin or a little 2 pronged fork.
So now for the next one. What is this and what is it used for?
All Rossa’s posts at this site can be found here.