Hi fella's, one of my mirrors was cracked and the wife says it was the peewee's But l suspect a couple of six year old twins were involved some time ago. So avoiding the problem for some time and the fact the foam around the vibration plates had deteriorated finally to the point that the knock in the mirrors was pissing me off l had ago at removal. Using said boiling water didn't go well so am of to Albion Glass to get some replacements. To get Glass back in I'm thinking about a couple of Knicks on the inside to make installation easier but hopefully won't crack the housing. The question l have is are the vibration plates needed, has anyone not installed these? Cheers swoop.