Muddle 1st portion of red pepper and Simple Syrup into a mixing glass.
Add a scoop of Ice, lemon and grapefruit juices, bitters and tequila.
Cap, then shake vigorously 20X, until chilled.
Remove cap.
Place a Large Format Ice Cube into a DOF glass.
Double strain drink over the Ice.
Skewer the last portion of red pepper onto a bamboo pick.
Lay the skewer across the top of the glass, as shown in the photo.