We kids were the dishwasher back in those days, and we washed cast iron skillets and griddles in the same sink with the same soapy water as we washed everything else. Dried the cast iron with a towel and put it away. I've continued this practice. Louise and I use our cast iron on the playa, wash it in soapy water, and leave it in the sun to dry. Here's a sample:
Mmmmmmm ..... bacon.
I realize washing cast iron in the sink with soap and water goes against all the rituals, but since that's how I was raised to do it from the 50s on, and I presume my mom did it the same way she taught me (from back in the 30s and 40s) and her mother before her (in the Teens through the 60s), I know no other way, and my cast iron (and my mom's and grandmom's) have never suffered from it.
I'm contemplating on switching to Canadian bacon for the 2014 Burn. But we'll still be washing our cast iron griddle in hot soapy water and letting it dry in the sun.
Eschew magic rituals with your iron. Thor will take care of it and of you.