Using this dog harness is easy. Just let your dog step into it and fasten the Velcro closure to adjust it to a proper fit. Make sure the straps are not too tight or too loose. When attaching the leash, use the two lightweight rings for a secure connection. As for maintenance, you can gently hand - wash the harness in cool water. Avoid using harsh detergents as they may damage the merino wool. After washing, let it air - dry. Remember to regularly check the Velcro closure, buckles, and rings for any signs of wear and tear. In case your dog gets lost, the DogFinder ID can be a great help, so keep it updated with your contact information.