The seats in my 6 Gen Camaro didn't recline enough, so I did "the seat mod" which removes two pins, one on each side, from the hinge area on each front seat. I didn't want metal shavings in my carpet or in the seat foam. And I wanted to protect the leather from damage so I did all I could to do a surgical job. In the video I referred to the hole saw size as a 1/2" hole saw, however it is actually a 5/8" dia hole saw that has in internal dimension of 1/2" dia