 Complete the following phrase:  While Western protesters wear differing styles and shades of keffiyeh, the most prominent is the black-and-white keffiyeh. This is typically worn around the neck like a neckerchief, simply knotted in the front with the fabric allowed to drape over the back. Other popular styles include rectangular-shaped scarves with the basic black-and-white pattern in the body, with the ends knitted in the form of the Palestinian flag. Since the 