| 摘要 |
<p>PURPOSE:To enable a golf club to be swung with a extremely accurate angle by mounting a sight made of metal or other material for the golf club on a head of the golf club. CONSTITUTION:A sight is mounted on a point mark or proximity thereof of a golf club. Metal is used for the material of the sight, but is not particularily limited thereto. An insert part 1 has a round section, 2mm thickness and 10mm length. The sight 2 has a round section, 2mm thickness and 15cm length, but the section, thickness and length are not particularily limited thereto. To roll or drive a golf ball toward a target spot very accurately, respective target spot points (e)17, (c)20, (k)23, (a)14 and a swing starting point (u)24 need to be on a straight line and an angle 19 made between the straight line and a line interconnecting points (i)15 and (w)16 needs to be 90 deg. right angle.</p> |
