| 摘要 |
A putter head includes a head main body and a face insert which is mounted in a face surface of the head main body and formed of viscoelastic body, the face insert having a plurality of slits extending in a direction of toe to heel on a front surface thereof. The face insert is formed of a layered body in which first viscolastic bodies and second viscoelastic bodies having a lower hardness than the first viscoelastic bodies are placed on one another alternately in a direction intersecting the face surface. The slits are formed by eluting the face surface side of the second viscolastic body. The slits are inclined upward in a depth direction from the front face of the face insert to the rear side.
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