What's this kitchen gadget for?

Here's a French kitchen gadget that didn't stand the test of time. It was used to make a dish you probably ate as a child but can you guess what?
Whats this kitchen gadget for?
Whats this kitchen gadget for?
Whats this kitchen gadget for?
Updates
14 d
Most have worked it out. It's for cutting toast into soldiers to dip into a a soft boiled egg. The egg MUST be the EXACT runnyness or mother has some explaining to do.
What's this kitchen gadget for?
Post Opinion