The EOB putting device
U.S. Patent Number 5,409,228
A visual alignment putting device made of high impact plastic
that may be readily attached as a temporary training device or bonded as
an integral part of many existing putters that assists the player in visualizing
the putting line, in positioning his eyes over the putting line, and in
properly aligning the putter head with the ball and in maintaining that
alignment throughout the stroke.
Putters with which the EOB putting device
can be used
Attachment of the Two-Piece EOB putting device
USGA Ruling On Use of the EOB putting device--Practice
and Play
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