Jalapeño Watermelon Margarita

Jalapeño Watermelon Margarita
1 1⁄2 oz Santo Blanco Tequila
2 oz watermelon syrup
2 oz sweet and sour
1/2 oz OJ
Combine all ingredients in a shaker with ice, shake and strain over ice.
Serve in a rocks glass or brandy snifter
Garnish with watermelon and a jalapeño coin