4:13

Piolets techniques Grivel

4:50

Will Bosi repete Excalibur 9b+

4:04

Grivel La Mitica Gialla – The legendary yellow bag

4:00

Grivel Day

6:27

Ice axe arrest / self arrest

12:55

Steel Points in the Grivel Forge - 1956 documentary

14:46

Restauração Machado de Gelo

8:36

Musée Simond Chamonix Mont-Blanc 5 guides histoire piolets crampons montagne alpinisme