Trim Those Nails

If you need a reason to be more diligent about trimming your toe nails, consider this: the ship Naglfar will be made from the nails of the dead. So this is a don't-leave-the-house-without-clean-underwear-on-in-case-you-have-an-accident type of warning because when the Midgaard Serpent starts thrashing, the world will be flooded and this flood will launch the ship. That ship will ferry the enemies of the Aesir to the battle of Ragnarok. You don't want them to get enough nails to finish that ship! So trim those nails or the destruction of the world might be on your head.