Ines Usage of bands most of time is not healthy, for sure, but you need them if you wish wear a totally secure belt
The covered area is always in the middle, no matter how far apart the legs are. It seems that they only add security if the shield is loose and can be bypassed from the sides - in that case it's probably better to adjust the belt itself.
Ines the usage of not branded belts can be source of problems for bad fit, bad long usage material, sharp, pinches...
Even though there have been no issues yet, I would have gladly bought her a branded belt if it was as light and discreet as the one I got instead, but there simply weren't any.