This is a place for discussing the definition of the following term:  N.B.K.Push

N.Push(thru .Wrap, from behind) -- .Push means that an object (e.g. the .Tail_End or a .Doubled_End) is pushed through an opening in another object (e.g. through a .Wrap).  .Push can be used with the following two-word parameters (in any order):  The "thru" parameter specifies the object which has the opening, such as "thru .Wrap."  The "from" parameter indicates the direction from which the .Cord goes through the opening, such as "from behind" or "from left."  Traditionally referred to as Reeving.