V4's built-in magnets are shaping magnets to help with bending; M4 has no such magnets.  Are you unable to get the shape you want using the muscle morphs & Morphs++ from DAZ?

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The Wisdom of bagginsbill:

"Oh - the manual says that? I have never read the manual - this must be why."
“I could buy better software, but then I'd have to be an artist and what's the point of that?"
"The [R'osity Forum Search] 'Default' label should actually say 'Don't Find What I'm Looking For'".
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