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