Mrs. Grundy, persona non grata

[Byron]

http://dregstudiosart.blogspot.co.uk...underwear.html (last sentence first paragraph)

This may explain special underwear for nominees to those only so far aware of examinations of Presidential birth certificates.

I would think that they have Mrs Grundy's approval as they are worn 24/7 for modesty (the magic part must be getting them washed clean if they are always on)