https://learnmmd.com/http:/learnmmd.com/attach-an-item-or-accessory-to-a-bone-in-pmdeditor-weighting-in-mmd/
Attach an item or accessory to a Bone in PMDEditor - Weighting in MMD
You weight a model when you attach an item or accessory to a bone in PMDEditor keeping the item in the right relationship with your model's motion. LearnMMD
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