Gymnasts often use "butt glue" to help keep the lining of their leotards in place during competitions.
Why do only female gymnasts have to expose their butt cheeks
Butt Glue?? Ever Used It? Did You Even Know That This, 43% OFF
Rio 2016: Nastia Liukin's Olympics Style Rules
The Snowflake Designs Difference in Leotards
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Reminds me of old team leotard from 2008! :)
How to Keep Underwear From Showing Under a Gymnastics Leotard
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Stikit 2 Me Roll-On Body Glue
German gymnasts' outfits take on sexualisation in sport : r/sports