a golf club system includes a club head and a shaft . the club head has a column extending upwardly therefrom , the column having a tooth extending radially outwardly therefrom , the tooth having a first magnet attaching thereto . the shaft has a wall defining a hollow portion that receives the column , the wall having a slot therein the slot having an insertion portion through which the tooth may slide axially and an attachment portion in which the tooth may rotate circumferentially after passing through the insertion portion and a second magnet that engages the first magnet in the tooth after the tooth rotates circumferentially away from the slot .