In the pot used for the pasta, med-high heat. Put in the clams/pippies and the wine. Lid on. Steam. Tossing gently every minute. Remove opened pippes. Lid on and shake. Repeat. Discard any unopened pippies after 10 minutes (if frozen) 5 minutes (if not frozen). Add 1/4 to 1/2 cup of the liquid to the sauce to thin it. Stir, taste and season if needed. Stir in the parsley and the onion, bacon mixture.