There is many ways to clean your clothes in a SHTF situation, but the most simple solution without needing electricity is just to use a bucket and a plunger made for cleaning clothes such as the Breathing Mobile Washer Classic Click here for the Amazon page to read more about it.

All you need is a bucket, water and soap!  This would be the most simple way to wash your clothes, you could even go with the old style washboard.  But personally the Breathing Mobile Washer Classic is our personal favorite.