Question Stretch arms to adjust hand position.

Hello everyone, I have the full body character integrating Animation Rigging, the problem I have is that I would like to adjust the length of the arms when you extend the controller and match the distance.

How can I do to create that effect? A greeting and thanks in advance.

 

I use VRIK from FinalIK and I just scale up the whole mesh to fix this. Otherwise you'd need a new, or multiple models

 

Thanks @DevDunk you are always helping, a hug!