Liquor Locks for Christmas

You have to mess with people.  2 out of 4 managed to solve the puzzle on Christmas day.  The other two still haven't gotten to their drink.

This was a fun little build.  It wasn't obvious from the photos what the dimensions were, so it was a bit of a puzzle just to build it.  Couple days worth of work + a bottle they prefer makes for a nice gift and conversation piece.