I bought a no pull harness for Alexa yesterday. After only a short walk around the neighborhood (it was cold, lol) she was HEELING. PERFECTLY. IT WAS AMAZING!!! I had taught her how to heel and she'd understand it, but then pull randomly on walks. Now that I'm using this, the minute she starts pulling she stops, waits for me to catch up and then walks beside me. It's awesome. I hope eventually I'll be able to go back to her normal leash once she gets the hang of this. I'm so proud of my baby!!! I highly recommend a no pull harness to anyone that has a big dog with pulling problems. I thought I'd never get her to stop pulling on leash. Now walks can be something I enjoy too!!! YAY ALEXA!!! Now to see how it works when passing other dogs... That'll be the real test. Cuz she goes ape-sh*t when she sees other animals. I think she's too playful and friendly for her own good sometimes, haha.