1 recorded ascents.
[1] https://www.instagram.com/p/C6B7GTmNHZE/
[2] https://planetgrimpe.com/incroyable-tanguy-merard-propose-hannigraal-9b-a-grenoble/
[3] https://www.grimper.com/news-exploit-tanguy-merard-libere-projet-folie-grenoble-propose-9b
[4] https://fanatic-climbing.com/tanguy-merard-ouvre-hannigraal-9b-tanguy-merard-frees-hannigraal-9b-intw/
[5] https://www.youtube.com/watch?v=imgdZgwCr54