The props can break BUT the DJI OEM props are the best your gonna get for the Drone. I would get a prop holder or simply use a rubber band. A case that's made for the Drone is BEST.
The stunning Ceannabeinne Beach, near Durness, NC 500, home to the Golden Eagle Zipwire(s)...
Guess who forgot they had a second line that wasn't very visible in the light, or from where I was standing... A close shave, but thankfully ok...