What is significant about each Turkish rug?

The motif on the rugs represent Anatolia and Central Asia and their civilizations. These compositions, motifs, and designs represent the origins and culture of a society; therefore, a rug can be considered a cultural item. Each of the designs is meaningful, not an accidental drawing.

Explanation:

Each rug has a flaw to keep away "the evil eye".

Explanation:

Islamic Turkish rug makers believe that they can not create anything perfect. Therefore, to avoid the "evil eye" they deliberately place a flaw in each rug.

freedom of speech is also protected by the 1 amendment.

explanation:

here is pretty much what the 1st amendment says:

congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the government for a redress of grievances.