An item of male clothing, usually very tight pants, i.e. those worn by rodeo fans; or Speedo trunks, that leave very little to the imagination when it comes to 'the package'.
You need the shield-sized belt buckle to offset the risk of a direct hit when wearing grape smugglers.
When a man shoves a whole package of grapes into ones anus. As they sit there and wait for them to poop it out the man eats the grapes as they fall out of the butthole.