mousqueton à vis
/muskətˈɔ̃ a ˈvi/
n
English: locking carabiner · 锁扣登山扣
Sens：Metal ring with a gate that, once closed, can be locked with a screwsleeve; this makes it safer than the D carabiner. snap shackle
English: locking carabiner · 锁扣登山扣