Product description the harrison shotmaker grip lock weighs just 5 grams and is placed on top of your grip each shotmaker kit comes with a grip lock whether to use it or not is entirely up to you the first question is should you use it or just grip over the insert there is no perfect answer to this question for golfers who do not like to tinker with hisher club there are reasons to advocate not using the grip lock to reduce overall weight that said some in the industry have advocated the