Spikes

To penetrate ice, the spike on an ice tool must be sharp, and the joint between spike and shaft must be smooth. Spikes are solid or tubular. Solid spikes consist of a flat plate or a cone-shaped tip, and cone-shaped spikes point either straight down

Fig. 14-5. Side and end views of three adze designs

Skill Ice Spikes
Fig. 14-6. Curved-shaft ice tool

Fig. ยก4-7. Various ice-tool spike designs or somewhat forward. Most spikes have carabiner holes, which you can clip to as a temporary anchor when setting up a belay anchor (fig. 14-7).

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