: You should feel or hear a small click when the teeth align inside the slider.
: The slider might be too loose. Use a pair of pliers to very gently squeeze the sides of the slider together.
Since you are creating a custom long piece, you must secure the ends to prevent the slider from flying off: BFVanilla.zip
: Measure your project and cut the zipper tape about 2 inches longer than the actual opening.
: Hold both sides of the tape so the teeth are level. : You should feel or hear a small
If you can tell me the (plastic, metal, or nylon) or the specific project you're building, I can provide more tailored sewing tips!
: If the slider goes on crooked, one side will have "extra" tape at the end. Pull it off and try again to ensure the teeth are perfectly synced. Since you are creating a custom long piece,
: Slide the left side of the tape into the wider, rounded end (the "mouth") of the slider.