The container with the lifted lid on the back of personal care products indicates the expiration date.
Some manufacturers of hair and skincare products inform us of the time period in which these items are effective or safe to use, and they do it by including this tiny detail in the packaging. The “M” stands for months, and the countdown to the number of months begins after you open that bottle of shampoo or moisturizer.
smarter individual would use the other hook instead of a key....
Just screw it in by hand, it isn't that difficult.
#2 not sure it would work. cars have safety glasses which prevent shattering. you can buy special purpose hammers though.
WTF? Spell much?