......or, do you have the balls........
https://www.youtube.com/watch?v=i7Z6Y0YNQGg
How about a Kickstart group to develop and market them for motorcycles $$$$$$$$$
Bike Nuts....
Bike Nuts....
"A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." - George Fitch Atlanta Constitution, 1916