Interpretation:
The instruments referred are the sea creatures that God found in the muddy ocean to start human beings. It is interesting that God calls herself Moon/Sun for the first time in chapter 6 of the Ofudesaki. As you know the moon and sun have a great amount of effect on the climate and geographic movement of the earth. It is the first time also, that God tells us that natural disasters like hurricanes, and earthquakes are God’s anger and regret.
Heaven's Truths, in Living the Joyous Life 