Bungee Elastic Line 2 metre EJ

2 metre bungee line .To start with this elastic line you fasten the dog for the first time so that the dog cannot reach the helper. When the dog will try to react the helper, he will be drawn back to its starting position. The following times, the dog will try to get as close as possible to the helper. He will have to catch up faster and will therefore make sure that he won’t be pulled back