Hi, thx for the comment, I'll try to re-edit with your suggestions.
Lucky enough I had this small flash diffuser, Strobella, which improved a lot my strobe light.
Hey! If you want to start rock climbing, then first I advise you to pay attention to the site https://www.cn-rope.com/
Here you can buy climbing ropes, which are the basis of your safety when climbing the mountain.
Hope I helped you. Good luck!