In the Decay Bone animation still retain object

[Accelerator12]

Hello there,long story short talk,I tried to modify the shield of a footman model
Nothing is wrong, only in the Decay Bone animation,This shield will not disappear with the body

Spoiler: pic

It would be great if someone can tell me how to solve this problem, because I still have a lot of models to change

 

[Ustanak]

Fixing Faulty Death / Decay Animations

 

[Accelerator12]

Thanks for your help,this problem has been solved