Dry pump an egg white into a Boston shaker. Muddle 4 average size strawberries in 1oz of half and half. Add 2oz Sebago lake original rum and 1oz vanilla simple syrup. Add everything into egg white lined Boston shaker and shake aggressively for a minute as to thicken the drink and ensure the muddle is properly introduced. Double strain into a martini glasses. Garnish with a strawberry.