Find a few of the best chicken books you have / can borrow and read them as much as you can, possibly while also wearing chicken hat and being Very Entertaining. (corporettemoms.com)
When you die several times in short order, you'll gain the option to equip a special piece of gear called the Chicken Hat. (ign.com)
During a 3 - hour long stream called Kojima Station, the series» creator revealed that Snake will be able to wear a chicken hat in the upcoming stealth game that will make him less noticable to enemies. (gamingtrend.com)