Monero is a secure, private, and untraceable cryptocurrency. It is open-source and accessible to all.
First you must buy bitcoins then transfer to Monero. Learn more here.
The 15% discount will apply automatically to your total in XMR and you will see it reflected on the Monero payment page.
The Five Finger Death Punch 'Grenade Skull Pint' features the classic knucklehead/grenade artwork, complete with the 5FDP logo.