There are several techniques you can use to help your dog relax:

1. Massage: Massaging your dog’s muscles can help them relax and feel more calm. You can use your hands or a massage tool to gently knead your dog’s muscles, starting at the head and working your way down to the tail.
2. Deep breathing: Encouraging your dog to take slow, deep breaths can help them relax. You can do this by placing a treat near your dog’s nose and encouraging them to sniff it deeply, or by blowing gently on your dog’s face to get them to take a deep breath in.
3. Progressive muscle relaxation: This technique involves helping your dog to tense and relax each muscle group in their body. Start by gently holding one of your dog’s paws and encouraging them to tense their leg muscles. Then, release the tension and praise your dog for relaxing. Repeat this process with each muscle group, working your way from the head to the tail.
4. Calming scents: Some dogs find certain scents to be calming. You can try using essential oils or diffusers with scents like lavender, chamomile, or valerian to help your dog relax.
5. Music: Some dogs find certain types of music to be calming. You can try playing soft, soothing music for your dog when you want them to relax.

It’s important to remember that what works for one dog may not work for another, so it may take some trial and error to find what works best for your dog. If you are having trouble helping your dog relax, it may be helpful to consult a veterinarian or a professional dog trainer for guidance.