Patent ID: 6897366

Claim:
An instrument comprising: a body having an inside, a top, a bottom and a side wall, which define the inside of the body, the side wall connected to both, and separating, the bottom and the top, wherein the top, the bottom and the side wall form an inner space of the body, the body further comprising a block associated with the side wall, the block having a front surface, a back surface, a top portion and a bottom portion, the block having at least one through hole, the through hole having a longitudinal axis running in the direction of the inner space and extending from the front surface to the back surface, the through hole having at its end an opening on the front surface, the opening defined by a perimeter, wherein the perimeter of the opening on the front surface is on a plane which is off set from a plane which is perpendicular to the longitudinal axis of the through hole, and a neck having a first end and a second end, the first end being connected to the block, wherein the first end of the neck faces the back surface of the block, the first end of the neck having at least one hole aligned with the at least one through hole of the block.