Best technique is to fix shoulder manually.

1.) Study shoulder anatomy

2.) Study morphing techniques

3.) Get efficient

I think no off-the-shelve fix product can really stack convincingly with all the other individual morph add-ons floating around... no? Some vertices will always be off :)

Absolutely. Now that I'm getting better with the morphing brush, most things are dead easy to fix. And I've started to pay close attention to flesh collisions and so on. But I still use the complete Perfect Series for V4 (when I'm not using Genesis1/2) because it means I may only have to spend a few seconds on one thing, rather than on 30 things. :)

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PoserPro 2014, PS CS5.5 Ext, Nikon D300. Win 8, i7-4770 @ 3.4 GHz, AMD Radeon 8570, 12 GB RAM.