- Devices that connect the dogs to each other. These can be dangerous and they really don't look comfortable.
- Extendable leashes. These also are a safety hazard (tangling, tripping, inability to control the dogs in an emergency). Add to that they are illegal in muicipalities that require dogs be on a leash 6-feet or shorter.
- Yelling. Don't do it.
- Talking on the phone or texting while walking. It's dangerous distraction. Leave the phone at home (or in your pocket) and enjoy the walk.
- Including a dog with known behavior issues. Don't do it. Dogs that bark at, lunge at, or bite humans or dogs need individual attention and care. Some may not be suitable for walks in public at all. Seek help from a qualified dog behavior consultant.