If your beads have large holes, you might want to use the Double Overhand Knot instead.
|1) Attach your fasterner at one end. Thread your first bead and make your overhand knot: wrap thread around your finger and take the end back through the loop. Do not tighten fully yet ...
|2) Slide & Tighten: Put a strong, blunt needle into the knot. Use the needle to slide the knot back towards the bead. Tighten the knot and remove the needle as you tighten.
|3) Continue this way - string a bead & make a knot between each bead. Keep spacing and tension even by sliding the each knot with the needle.