John Stalker

2 oz tequila
1 oz grenadine syrup
4 oz 7-Up soda

John Stalker was made by Jon Stapley of Ben Hodgkiss Bristol University (Durdham Hall) 2001, England. It's now popular throughout Bristol.Use proper alcoholic grenadine (e.g Harvey's of Bristol). Combine the tequila and grenadine in a highball glass, top with 7-up, stir briefly and serve.