I tend not to mind ridges at all, whether they have them or not - but just be consistent!! Why do races in Trek keep gaining ridges!! It's like a galactic epidemic!!
Ridge-itis is spreading through the galaxy untrammeled!!
'If the Apocalypse starts, beep me!' - Buffy Summers
'The sky's the limit.....' Jean-Luc Picard, 'All Good Things'
courtesy of Saquist