Originally Posted by
X-LinkedRider
Yes there are many makeshift blinker systems and a few packaged. However, you are much more likely to be seen if you use the standard hand signals. Maybe buy some florescent yellow gloves if you're worried?

I have been using my turn signals for a while now. I really like them. I still use hand signals but the lights stay on longer. So if someone misses your hand signal the lights are still a flashing.
I wouldn't call my lights make-shift. I am using trailer lights and a car flasher unit.