25. Knot stitch, shuttle thread knotted at every other stitch.
26. Knot stitch, shuttle thread through the needle thread loop and knotted around the loop.
27. Shuttle thread pulled to the surface and interlocked with succeeding stitch to form an embroidery stitch.
28. Wire-lock stitch, thread locked in place with wire.
Three Threads
29. Two shuttles, each locking alternate loops.
30. Double loop with interlocking third thread.
31. Two shuttle threads, both locking each loop.
32. Two shuttle threads intertwining and locking each loop.
33. Single thread; loop of needle thread drawn up over the edge and locked by needle at its next descent.