Speichenreparatur nach Art des Campingplatzes

After deciding not to repair my two broken spokes on the road during my trip from Vienna to Berlin, and potentially making things worse, I now want to find out at home whether I might have been able to do it on the road. If you'd like to treat yourself to the tool for removing the sprocket cassette, here's the link: https://uniortools.com/eng/product/16... Or simply google it and buy it somewhere else.