A heraldic figure in the form of a bar bent at the ends into the form of a hook.
An attachment to a shoe or boot that provides traction by means of spikes. Used for climbing or walking on slippery surfaces, especially ice.
An aerial rootlet for support in climbing, as of ivy.
To walk or climb using crampons.
The thin, horny, transparent plate covering the upper surface of the end of a toe.
To fasten two pieces of lumber together by applying nails or screws into both boards at an angle.