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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