Use smooth bind only, not rigid bind.

仍不支持刚性绑定。

youdao

Put on plastic gloves and roll the stuff between your palms for 2 minutes to form a smooth ball, adding a few drops of water as necessary to help it bind.

戴上塑胶手套，把这种聚合物放在手里揉两分钟，把它揉成一个圆球，有必要的话加几滴水来帮助它粘在一起。

youdao