How To: Remove Boob Bones
… With the Vertex Weight Mix modifier!
1. Set CHEST as group A!
2. Set L_PEC as group B!
3. Set Mix Mode to add!
4. Make sure the modifier sits above Armature!
5. Hit apply!
6. Now do it again with R_PEC!
7. Now go into Weight Paint mode and CLEAN completely away L_PEC and R_PEC (set it to 1.000)!
You’re done! You can stop using exclamations now.
It’s for converting fitted mesh ladies tops into flat-chested versions, or to prep for converting back to classic rigged mesh. n.n/