Golf putting swing training aid

A golf putting swing training aid apparatus for developing putting skills with a putting golf club comprising:

• a base center block that is a single item that is comprised of six sides with a top, a bottom, a left, a right, a front, and a back that has three openings comprising of an angled through hole that begins on the bottom, left lateral sidewall of the block and continues diagonally through to the right lateral sidewall and a straight through hole that begins on the top, right lateral sidewall of the block and continues horizontally through to the left lateral sidewall and a blind hole that begins on the bottom of the block and ends before the angled through hole;
• the base center block that when assembled a plurality rectangular cover encloses the base center block creating an interior hollow region around the blind hole and the through holes;
• a curved I-beam fin structure of a arm support that extends the length of the arm support at a location separate to a cap fin structure;
• an arm support cap comprising of two cap fin structures that are located at a central, top portion on the contact surface where the arm support makes contact with the user where the arm support that is attached to the base center block;
• a width of apparatus from arm support to arm support that when held naturally has a first width and then during the golf swing a compressive force results in a second smaller width between arm supports, the compression is able to occur due to springs;
• a threaded metal rod that functions as a secure connector and aligner to the golf club.