Watermelon Rind Pickles

Place rind in a large nonreactive bowl; stir in water and salt. Refrigerate for several hours or overnight. Rinse and drain well., In a Dutch oven, mix sugar, vinegar, 2 cinnamon sticks, cloves and peppercorns. Bring to a boil. Add rinds; return to a boil. Reduce heat; simmer, uncovered, 10 minutes or until tender. Discard cinnamon sticks., Carefully ladle hot mixture into 4 hot 1-pint jars, leaving 1/2-in. headspace. Add a remaining cinnamon stick to each jar. Remove air bubbles and adjust headspace, if necessary, by adding hot mixture. Wipe rims. Center lids on jars; screw on bands until fingertip tight. , Place jars into canner with simmering water, ensuring that they are completely covered with water. Bring to a boil; process for 10 minutes. Remove jars and cool.