I'm
glad she wants to carry it on her person - it seems a lot of women who are new to carry think they have to carry it off-body because they believe they can't carry on body. It can be done, and I do it every day. I wear an ACE Case bellyband holster and I can tuck my little 640 all the way up to my HK USPc in it.
For more info and pictures, have your mom check out pax's website
here.