They usually come with a clamp that wraps around the handle bar.
There can be plenty of screws on a bicycle. Some to attach fenders and racks, some to attach light and reflectors, bicycle bells etc etc.
Remove the 'button' from the mirror stalk and glue it to the window with 'Loctite Auto Mirror Adhesive'. It will stick almost instantly and you can attach the mirror to it in about 5 minutes.
Use strong glue to attach mirror
To attach shelves to a mirror, first determine the type of mounting system needed for the shelves. Then, use appropriate hardware like mirror clips, brackets, or adhesive to secure the shelves to the mirror surface. Make sure to follow the manufacturer's instructions and consider the weight capacity of the mirror and shelves.
yes
While operating a bicycle, you should not hold things with your hands since this would impair your ability to steer and brake. If you do need to travel with some sort of cargo, you should employ a backpack for that purpose or attach basket/s to your bike. There are some bicycle baskets that attach temporarily.
A bicycle attached to the top of the car does not alter the name of the equipment you use to attach it to the car. The bicycle carrier will still be referred to as a bicycle carrier regardless of its location on the car.
Most probably the reflective surface will be held in place by a plastic frame.
Of course it is. Use special mirror mounting brackets that have screws. Screw hole are easy to fix in any wall if you later remove the mirror
i really dont know thats why i asked you
To allow the rider to see what's behind him w/o having to turn his head.
There are two rails under the saddle. The bag will attach to these either using straps or some sort of clip.