I can't remember how long I have had this helmet but last year at the national I went to a vendor who was a Scorpion rep who helped me learn how to change out the shields better as I was having problems. At that time, she told me that one side of the shield mechanism plate (not sure proper word) that holds the shield down was getting worn out and I needed to replace it.
Today, I decided I would stop being lazy and finally replace the part on the helmet... it took me about a year to find the parts as I couldn't remember where I had put them... I happened to find them while looking for something else. I called Scorpion to have them tell me how to replace the part as I wasn't sure... I told the rep what was happening... he told me the screws were loose and I did not need to change out the mechanism part... I did indeed have 1 screw that was loose which I did not even know....
How come the vendor at the rally who was a Scorpion rep did not know it was a simple screw versus the mechanism plate who tried to tell me I needed to change out the mechanism plate as they wear out quite often? Why can't vendors know the products they represent and sell?
If anyone has problems with your shield mechanism plate, check your screws first to make sure they are tight.