At the expense of a shorten scar/incision the surgeon chose this method in hopes of a good result. I believe that hope will be a failure. Plus seeing the ;lateral "dog ear" residual. Sorry.
After two pregnancies, your muscles are not torn but the connective tissues have spread and weakened. This is called a diastasis rectus. It is repaired during the abdominoplasty and will minimize the protrusion. Caesarean sections contribute to this problem. The best way...
The short answer is it varies a lot depending on multiple factors. I often use paper tape (Steri-strips) for incisions and put it on in the operating room. But each surgeon has his or her own routine. So you should check with your surgeon and follow his or her recommendations. Good luck with...