Silk or silk-like binding can create an attractive finish on a blanket. If the binding encases all four sides of the blanket, folding a mitered corner can provide a neat, geometric look. Packaged woven binding often features a lengthwise fold that creates a narrow width and a wider width. Placing the binding’s narrow width on top of the blanket can help ensure the stitching interlocks the binding’s wider width on the bottom. Carefully top-stitching and smoothing the binding along the blanket can produce crisp corners on both sides of the blanket.
Insert one edge of the blanket right-side-up against the inside of the folded binding. Allow a couple of extra inches of binding at the beginning. The narrow width of the binding should be on top. Smooth the blanket edge and binding. Pin along that one edge to secure all layers.
Select a straight stitch on the sewing machine’s pattern selector. Place the pinned binding on the machine’s needle plate.
Top-stitch in one straight line along the binding’s woven edge. Remove each pin as the fabric approaches the needle plate. The top-stitching will interlock the binding’s top narrow width, the blanket and the binding’s bottom width. Stop stitching at the bottom of the blanket edge.
Pull the blanket away from the needle. Cut the threads from the spool and bobbin near the needle plate. Knot the two threads close to the binding. Trim the thread ends with scissors to approximately 1/4 inch. Please note that you do not cut the binding at this corner.
Forming the Mitered Corners
Bring the dangling binding around the blanket corner to encase the next unfinished blanket edge. Pin this binding in place along the blanket edge. A mitered fold will form at the corner. Pin this mitered fold. This mitered fold forms approximately 45 degrees from the blanket’s outward corner.
Return the blanket and pinned binding to the needle plate. Lower the machine needle into the last stitch visible at the binding’s inner corner. Continue top-stitching to the bottom of this second edge. Knot and trim the two threads where this top-stitching started and ended.
Repeat Step 1 of this section for encasing the second and third mitered corner.
Pin the binding along the fourth edge of the blanket. At the fourth and final corner, fold the binding in diagonally and trim off the excess binding to reduce bulk at this corner. Pin the binding at this corner.
Top-stitch the fourth and final edge until the stitching meets the first line of stitching at a 90-degree angle. Back-stitch a few stitches to reinforce. Trim the threads. Slipstitch the mitered folds with a hand sewing needle, if desired.
Press the binding with the iron set on low.
If the binding has no woven or finished edge, try top-stitching with a zigzag to prevent the binding from fraying. Test the zigzag stitch to ensure the thread tension does not pucker or bunch the binding and blanket.
Resist the temptation to bind a blanket for babies or toddlers. If a child or animal chews or pulls apart the binding, this loose binding could become a choking or strangulation hazard to children or pets.