Quick Release Pedal Lock
thingiverse
This piece of plastic which looks like a C-clip is used to lock the quick release pedal so that it won't accidentally came unlock and release the pedal. Something you want to avoid while cycling.
Download Model from thingiverse
With this file you will be able to print Quick Release Pedal Lock with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Quick Release Pedal Lock.