Place the salt, parsley and lemon rind in a bowl and mix to combine. Set aside
Place the garlic, chilli, oil and prawns in a bowl and toss to coat. Cover and refrigerate for 30 minutes. Thread the prawns onto skewers. Heat a barbecue or char-grill pan over high heat. Char-grill or barbecue the prawns for 5 minutes each side or until cooked through. Sprinkle with the salt mixture and serve with lemon wedges. Serves 4.