I think it would be a good idea to have a tag called "child_loss" that denotes an image where parents mourn the loss of their children. That Reimu on the bottom left is giving me vibes, you know, those sweet sadistic tinglings of pleasure.
Also reminds me of a scene from the movie Tears of the Sun where the soldiers get to a village being massacred and the soldiers find enemies cutting the breasts off of women and killing the babies. One of the soldiers states that "The baby's dead." with a sad face on.
Yes, you can use any tool to pay tribute. You can nail the tongues using nails and a hammer. You can use a knife or needles or even ninja stars. Bonus points if you pierce multiple tongues with one tool.