411 REFERENCE · Wiktionary
Abalakov thread
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
250px|thumb|Abalakov thread
Etymology
en Soviet climber Vitaly Abalakov.
Noun
en climbing A climbing aid consisting of a hooklike device that allows a length of cord or webbing to be threaded through two holes drilled in the ice.
Further reading
en Tools