Soak bamboo skewers, put broil rack on top rung or 4-6 inches away from top of oven coil, put on high tempature. In a bowl add shrimp, pour juice from 1/2 lemon over shrimp, in a small bowl add chopped garlic, olive oil, cumin, salt and pepper mix and add to bowl of shrimp. Stir until coated, set aside. Thread shrimp onto skewers, on broiling rack cook 3-4 minutes. This is also good on the grill.