Place crab in a large bowl; use your fingers to break crab into pieces.Add Italian herb mix, Old Bay seasoning, mayonnaise, bell pepper, celery, scallion, celery seed, Dijon mustard, garlic powder, lemon juice and hot sauce. Season to taste with salt and pepper. Add more hot sauce to your taste. Gently toss ingredients together. Chill until ready to stuff endive spears.Cut ends off whole endive and separate leaves. You will only be able to use the larger leaves. Reserve the smaller pieces for a salad.Spoon crab salad onto endive leaf (the flat end).