These are two different reversible cabled moebius scarves. The finished lengths are written for a finished 35 inches. If not wanting the moebius style and want a full length scarf - make sure to purchase extra skeins of yarn to fulfill your desired length.

Reversible cables are not difficult at all. Simply cable the same manner.

Gauge is not critical. If wanting to used a smaller yarn weight and needles extra yarn may be required too.