Bug, the lace of my metahuman's sweatshirt is stiff

Development Character & Animation
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1

Hello,

I looked for the solution everywhere but I can’t find it, the laces of my metahuman’s sweatshirt are rigid (see image). Do you have any solutions to fix this?

https://zupimages.net/viewer.php?id=22/46/5vnd.png
Thanks in advance.