because it is fun
No type of glue should be used on seat belts.
It is probable that no one knows this answer. Auto seat belts came into use well after seat belts had been in common usage in aircraft for decades and decades!
That's all down to how hard you're riding. Most people will use more effort when riding IRL than riding stationary bikes.
A bicycle alone only use up space. But a human riding a bicycle will have to use force to get the bicycle to do anything, by pushing on the pedals, pulling on the handlebar ASO.
You should probably state your country, in Canada all persons regardless of age must use seat belts.
The number of crashes is not affected by the use (or lack thereof) of seat belts. The level of injury however is very significantly increased by the non-use of seat belts.
Yes.
I like riding my bicycle around the house.
Consumers' desire for more comfortable seat belts led engineers to improve seat belts
seat/handlebars
Safety mostly.
yes