Roast some sesame in a pan without oil. Finely chop coriander, garlic and chili. Mix some fish sauce, oil and lime juice to make a dressing. Add sesame and the garlic/chili mixture to it and let it soak for at least 10 minutes.
Peel cucumber, carrots and papaya, then use the blade for cutting spirals. Place everything, including the vermicelli noodles into individual containers and mix well with the dressing. Let it all soak for an additional 10 minutes and then organise the individual ingredients separately onto a serving plate or into a bowl. Put 3 shrimps onto each skewer and fry them in hot sesame oil, then add to the salad.