put the wire rack in the oven, turn on the oven to a temperature of 200 degrees. Prepare a tray with short edge.
In a food processor, put onions, garlic, olives, oil, chili sauce, vinegar, ketchup, spices, and salt and pepper. Bring to a smooth mixture.
Using a knife, do some slicing on the chicken thighs, put it in a plate and then spread the marinade over it, put it in the fridge for a few time or overnight.
Place a piece of aluminum foil in a wide tray, then place a special stand on top for roasting the chicken pin.
Place the chicken pin pieces on the stand, then put them in the oven for about 20 minutes until they are done. (If the stand is not available, you can place the chicken pieces on a wide tray, turning them over from time to time