Combine oil, vinegar, shallot, honey, and mustard in a jar with a lid. Cover and shake vigorously until well blended. Season with salt and pepper to taste.
Massage kale with 3 Tbs. of the vinaigrette for 1 minute in a large bowl to tenderize. Add clementine segments, spinach, avocado, and pomegranate seeds, and toss. Season and drizzle with remaining vinaigrette.
