Up through the first hole then through a pony bead & down through the next hole. Then up through the next hole, string on a jingle bell then back down into the same hole.
Repeat two more times continuing along the strip finishing with a fourth pony bead. center the cord so you an equal amount hanging from both ends. String both ends into one pony bead, then separate cords and string two pony beads on to each end securing with a knot. Trim.