VKB-SIM

Fwiw, advice was to clean with alcohol. Haven't tried yet.

I have had my MCG ultimate for a month or two, and some of the text engravings on the grip are starting to discolour. Portions of the text are shiny, and some have gone a darker shade. A vigorous wipe with a damp cloth has yielded no results. Pic attached: https://i.imgur.com/3VR6JNw.jpg