How do you get super glue off your jeans?
Try Goof Off, it softens Super glue so you can pick it off.
A reputable version of Super Glue would work. ( not the cheap stuff you get in 'Dollar stores' )
You get get super glue romover and let it dry and then try it
Acetone or Goof off will soften super glue when rubbed on it .
Use a dab of cooking oil and rub the glue off then clean the mirror with window cleaner to remove oil. No harm to the mirror, works on any type of glass.
I wouldn't recommend it as super glue is a cyanoacrylate. Some super glues are used for sealing wounds but they are different to the super glue you by off the shelf at a hardwear store.
a scrubber
Nail polish remover will dissolve super glue.
You will need to force a drop of super glue into the joint between the metal and the glass in at least two places to tighten the glass doorknob in its metal mounting. If the knob is completely off, you might need to drill a hole in the metal from the back and force the glue in between the metal and the glass.
Depends what kind of glue.-Name your glue-
You cannot get super glue off many porous or soft fabrics. It may be scraped off many shiny hard surfaces with a razor blade.