Originally Posted by squonker
It is a single license plate that you can transfer between vehicles. E.g. if you have more than one bike why should you have to insure all separately (at great expense) when you can only be riding one at a time? The idea is that you would have one motorcycle license plate that you could simply attach to whatever bike you are going to ride that day, thereby transferring it from bike to bike as needed.
one less excuse the wife would have to saying NO to that bike you want!