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Crampons
These metal devices studded with two-inch spikes attach to a climber's boots
with a binding similar to those found on skis and a thin ankle strap called a
"keeper." A crampon's front points are essential for vertical climbing, while
the bottom points are useful for walking on ice, either vertically or on level
ground.
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Gaiters
Usually made of nylon, gaiters are thick fabric sheaths that cover a
climber's legs from below the knee to his or her ankle. They help prevent
climbing pants from snagging and ripping on gear and ice, and they keep snow
from getting into boots and pants.
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Helmet
An ice climber's helmet works by absorbing energy applied to it, such as that from the impact from a fall or a chunk of ice dropping from above, in order to protect his or her head. The helmet's hard outer shell is made of fiberglass and has a lining of form-fitting foam. At night or in low-light situations, ice climbers wear headlamps on their helmets.
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Runners
Runners are short pieces of strong nylon webbing that climbers use with
carabiners (metal clips) to attach their ropes to special screws driven into
the ice and to make other connections along a route. Jamie might carry 12 of
these loose runners on his harness. During a climb, they remain within easy
reach.
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Jacket
There is no one kind of jacket specific to ice climbing, but this element of a
climber's equipment should be warm, breathable, waterproof, lightweight, and
relatively formfitting. A bright-colored jacket like Jamie's can help others
see a climber from afar.
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Ice screw
Climbers screw these hollow steel tubes with sharp, pointed ends into ice. The
threads on the cylinders' exteriors hold the screws in place tightly enough to
support hundreds of pounds of force. A climber then clips his or her rope into
the screws, which are placed at frequent intervals along a route, allowing for
safe movement across the ice. If the climber slips, the screw anchors the rope
to prevent a fall.
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Boots
These plastic, two-piece boots made with separate fabric liners are typical of
most ice-climbing boots. They have a rigid steel shank and bottom platform,
which provide support to ankle and foot. Jamie's boots are similar to downhill
ski boots, but they are not difficult to walk in. Plastic boots are warm enough
for ice climbing in even the coldest climates, such as that found in
Antarctica.
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Rope
The so-called kern/mantle rope ice climbers use has a dual nylon construction.
The plaited outer mantle provides a smooth surface for tying knots and
lessening drag. It moves freely through a climber's hands and shields the kern,
or inner core, from damage. The kern, made of multiple parallel bundles of
nylon, stretches, much like a bungee cord, to absorb a fall.
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Gloves
Many ice climbers wear "lobster claw" gloves like Jamie's, which are mittens in
which the index finger as well as the thumb are free as in a glove. Without
compromising the warmth of a mitten, these gloves allow for more dexterity,
necessary for grabbing ropes and grasping tools. Jamie's gloves are waterproof
and fleece-lined, and have extra foam padding on the knuckles for protection.
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Belay device
This piece of gear uses friction to hold a climber in place on a rope. A
climber's rope feeds through the metal belay device, which attaches to the
harness of the climber's partner. Using hand movements, the partner, or
belayer, can control the rope, offering slack when the climber ascends and
locking it off if he or she should fall.
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Pants
Jamie's pants are typical of what most ice climbers wear. They are waterproof
and windproof, but they are light enough to allow for movement and layering of
thermal clothing underneath. Zippers on the sides of Jamie's pants allow him to
remove them without taking his boots off.
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Harness
An ice-climber's nylon harness provides a place to securely attach his or her
rope. It also serves as the gear "hub" during a climb, as every technical item
must be readily available at all times. Harnesses are made with gear loops onto
which a climber may attach carabiners, ice screws, and other gear. The harness
consists of a waist belt and two leg bands, which help distribute force evenly
across the thighs, hips, and lower back.
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Ice axe
Metal ice axes allow climbers to indirectly grip the ice with their hands.
While climbing, they usually carry one in each hand. The head of the tool
features a pick on one side and either an adze (a flat chisel-like device used
for chopping holes in ice) or a hammer on the other. Typically, a climber will
use the pick to grasp ice while moving, the adze to clear away ice before
placing screws, and the hammer to pound them in, if necessary. The shaft of the
axe is rubberized for easy gripping.
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