Stealth for Men: I have ordered one of these and am going to see if it helps stop "srinkage" and "turtle-ing"

Here is a review and discussion page on the product. The owner of the company has an LPSG account and responds personally to some comments.

LPSG Stealth for Men thread

Here is the product website. The cost for mine was $42 and was quick to order with the size calculator and Paypal.

Stealth for Men Website