Why does attaching a double ended dog leash to the front and back of a harness stop pulling?

Attaching a double ended dog leash to both the front and back of a harness stops pulling by neutralising your dog’s forward leverage and creating a steering effect. When a leash is only attached to the back, a dog can lean their full weight into their chest and pull straight ahead. By adding a front connection point, any forward tension causes the dog’s chest to gently rotate back toward you, which breaks their momentum and prevents them from putting all their power into a single direction.

This setup essentially turns the dog’s harness into a steering system similar to a bicycle. Because the dog can no longer find a solid point to lean against, they often stop pulling and start paying closer attention to the your direction to maintain their balance.

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