A manikin library of accessories will be official provided and supported in the future release. In the mean time, you can explore this functionality in order to add realism into your simulation.
This is part of the manikin accessories library / clothing
Insert this object in the place holder of your manikin and use the autoplace to add on the manikin
You will have to unselect the option: ''Check interference of matches" in order to make it work