Things You'll Need:
- Sewing elastic Scissors Sewing machine Thread that matches the bra Chalk or tailoring pencil
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Step 1
Cut a piece of elastic 4 inches long.
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Step 2
Put on your bra.
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Step 3
Have a friend slide the elastic under your bra straps, right below your shoulder blades.
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Step 4
Using the elastic, pull the straps together and tie the elastic into a bow.
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Step 1
Try the bra on. With a piece of chalk, have a friend mark a line on your bra strap just below your shoulder blade. Do this on each side. Make sure that the marks are even. This is the key to giving you a customized racerback with the perfect fit.
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Step 2
Take the bra off.
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Step 3
Place the straps side by side and pin them right above the marks and 2 inches below the marks.
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Step 4
How to Sew StrapsSew the straps together with a zigzag stitch at the marks you made. Keep sewing until the straps are sewn together 1 ½ inches down.
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Step 5
Reverse your sewing machine and sew over the seam you just made to make the racerback extra strong.











