6-iron swing front once and slow motion once.
6-iron swing side once and slow motion once.
Head speed of the golf club : 36.7m/sec
Ball initial velocity : 47.6m/sec
USING IRONS : PING i210, N.S.Pro Zelos 7, Flex-S
JGA/USGA HANDICAP INDEX: 13.0
SCORING AVERAGE 2018 : 89.6
PUTTING AVERAGE 2018 : 35.0
