facelock

plural facelocks

1. governmentA type of headlock in which the opponent's head is clamped around the face.

   He raised his right arm and clamped a facelock on his opponent.

   1995, Gordon D. Shirreffs, The Ghost Dancers, →ISBN, page 146

   2 more examples

   I stepped to the side like the world's worst matador and grabbed him in a front facelock. It was the only shoot hold I knew, one that harkened back to my days bouncing at Malarkey's in Calgary.

   2011, Chris Jericho, Undisputed: How to Become World Champion in 1,372 Easy Steps, →ISBN

   Eventually, someone said, “OK, move the furniture, and let's wrestle.” The deal this night was Les challenging my dad, saying, “Bet you can't hold me in a front facelock.” My dad put the hold on, and Les struggled to free himself, but ended up passing out after a few minutes.

   2012, Terry Funk, Scott E. Williams, Terry Funk: More Than Just Hardcore, →ISBN

2. A security protocol based on the attempted user's recognition of faces known to the account owner.

   This contrast can be used as the basis for a personalised ‘facelock’, in which authentication succeeds or fails based on image-invariant recognition of faces that are familiar to the account holder.

   2014 June 24, Rob Jenkins, Jane L. McLachlan, Karen Renaud, “Facelock: familiarity-based graphical authentication”, in PeerJ