I am a Korean inventor.I was made several hand & foot bikes those are the automatic steering system and transportation, traveling, physical excercise, assistance for the handicapped, the aged, and women who cannot ride a cycle.
My blog: http://blog.naver.com/cjm6394/70009278009
I think the first bike is nice its good for people who can't use there feet
ShadowHunter6004 4 years ago
Why walk when you can ride a bike? A very inventive mind at work here.
tiredfingers 4 years ago