I would use either but be sure to buy it before you go. The vendors down there know you need it and charge an enormous price for it. Been there, done that.
Good people sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf.
Courage and perserverance have a magical talisman; before which difficulties disappear and obstacles vanish into the air.
Pick your company wisely! Hang around people who are going to help you become all God created you to be.