The Goal

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1. Add Stretch Bone

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  1. Clear all trasform ⬆️

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  1. Select the bolt.008 ⬆️

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  1. “Cursor to selected” ⬆️

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  1. In the edit mode, add a new bone then change its length ⬆️

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  1. Change the bone name ⬆️

2. Parent to Bone_Front1