Use the technique shown in this sewing tutorial to upgrade your dancewear, with a snap crotch.
Jalie 4013 ZOE Long-Sleeve Front-Zip Swimsuit
Sewing Tutorials by Jalie
Sewing Pattern Jalie 3241 - X-Back Gymnastics Leotard and Biketard PDF
Sewing Pattern Jalie 3910 - JADE High Neck Halter Leotards
Sewing Pattern Jalie 3349 - Ballet Leotards
Sewing Pattern Jalie 3349 - Ballet Leotards
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Pattern hack: Add a snap crotch to your favorite leotard – Jalie
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