Published on September 25, 2017
Hold the brown handle, press pink lever and pull green tube. Yellow tube automatically move forward. Release the pink lever for positioning the green and yellow tubes at new position.
The yellow tube moves twice faster than the green tube thanks to belt drive and two pins (in red and in green).
The two pins are fixed to the belt.
The green pin is fixed to the brown handle.
The red pin is fixed to the yellow tube.
