An inveterate and unapologetic tinkerer , Harrington is constantly tweaking .
An inveterate and unapologetic tinkerer , Harrington is constantly torquing his swing , and is forever showing up on the practice range with bizarre swing aids .
An inveterate and unapologetic tinkerer , Harrington is constantly tweaking and torquing his swing , and is forever showing up on the practice range with bizarre swing aids .