She put my cock cage key in one of these eggs

Later, my wife would tell me that she put my cock cage key in one of these eggs, and that I should have gone to try to find it. But by the time she did, all the kids had picked them up during the Easter Egg hunt.

Now I'm desperately asking every kid if they have a key, much to my wife's amusement and other parents concern...

I should have gone to try to find cock cage key