breast bone get a weird position and scaling after adding Copy Transforms constriant

Support Animation and Rigging
1

after i added a copy transform constraint to soft body mesh i get this weird position and scaling

Screenshot from 2017-11-28 18:05:46.png1366×768 237 KB

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<img src=“https://blend-exchange.giantcowfilms.com/embedImage.png?bid=4175” />

2

Soft Body effect deforms mesh vertices, while Copy Transform only copies position/rotation/scale of object origin. You’ll need something else to transfer this movement.