An alpenstock is a stout staff, iron-tipped, formerly used by mountain climbers, and since the mid-20th century largely replaced by the ice-axe. The names of ascended peaks were often branded onto its shaft. Research Alpenstock
An ice-axe is a tool used by mountaineers for cutting footholds in the ice. The ice-axe evolved from the alpenstock, which it resembles except for having the addition of a dual axe head, one head shovel shaped and the other pointed like a pick. Research Ice-Axe
 
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Matt and Leela Probert