The anchor symbolizes our friendship. One of the definitions is "a central cohesive source of support and stability." The birds symbolize the fact that we're so far apart, distance wise, but still part of the anchor.
Twist a piece of hair on top, take the next piece of hair and cross it over the twist. Then add the next chunk of hair to the twist, cross it over the other, and continue adding hair and twisting! Way cute hair idea!