Adjusting Helmet Post for HANS Device

[WatertownNewbie]

This is perhaps best answered by someone who owns an Arai GP-5k helmet (which is what I have). The fellow at Speedware Motorsports was kind enough to install the helmet posts for the HANS device on my helmet. The only problem is that he did not position the rounded bulge toward the rear of the helmet. It seems to me that I must peel back some of the foam padding to access the post nut on the inside shell of the helmet, and my concern is that I might inadvertently do something dumb (and maybe, as is true of most things, there is a wrong way and a better way to remove or peel back the padding).

Is the stuff on the inside of the helmet that holds the padding in place some sort of substance that re-adheres after being dislodged? Is there a trick to this? Am I being overly cautious and I should just rip off the padding where necessary to reach the post nut and then eventually push the padding back in place?

Thanks for any advice on this question. (I will give the Speedware guy a call, but I thought that this info might be useful to other readers of these forums too.) On a somewhat related note, the documentation for the HANS device suggests that the shoulder harness anchors be positioned about three inches apart. By any chance are the Skippy cars configured this way? Or are the anchors farther apart?