1. Pick over beans and rinse under running water. Cover beans with water in a alrge kettle. Bring to boiling; cover kettle. boil 2 minutes; remove from heat; let stand 1 hour; pour into slow cooker.
2. Stud onions with cloves and hide deep in beans. STir in molasses, sugar, satl and mustard. Cut salt pork into 8 pieces; lay on top. Pour bailing water over just until it shows above beans; cover.
3. Cook on low for 10 hours or on high for 6 hours, or until beans are tender.