Patek Philippe

I just received a new custom strap from Camille Fournet. The quality is really nice, but the holes where the springbars go thru is quite tight. I am just curious, do the springbars supposed to pivot at the strap or at the lugs?

One usually has to use force to get the spring bar through the straps so I would imagine the any rotation would occur at the lugs. But this would be only when you are removing the watch from your wrist as when the watch is secured to your wrist there is l...