Trace the mitten pattern. Cut 2 mitten pieces from the pattern for linings, 2 for backs, and 2 from muslin to piece the mitten fronts. With right sides together, sew lining pieces together around side and lower edges, using a 1/4-inch seam allowance.
Trace the mitten pattern onto muslin and reverse the pattern for the other mitten, marking lines for piecing on muslin. Using the numbering sequence noted, sew blue velour fabrics onto the muslin using a paper-piecing method of working on the back side of the muslin and sewing right onto the lines marked on the right side of the muslin. Using 2 strands of embroidery floss and 1 strand of metallic blending filament, sew decorative stitches along the seam lines. Using one strand of metallic blending filament only, sew snowflake designs on the front patches. Sew the stocking front to the back with 1/4-inch seam allowance. Clip the curves and turn.
Cut ribbon in half to make two 5 1/2-inch pieces for hanging loops. Fold loop in half and baste to the top edge of the mitten, having raw edges even. Place mittens inside lining pieces with right sides together. Stitch around top edges with a 1/4-inch seam allowance, keeping an opening in the back to turn. Pull the mitten through the opening and work the lining back inside the mitten. Pin the opening closed and hand-sew together using matching thread. Press lightly.