Cut grapefruit or strawberries. Place inside mule copper mug or small dish. Squeeze in juice from 1/2 a lime.
Skip to next step for grapefruit mule. For the strawberry mint mule, activate the fresh mint by "clapping" mint leaves in your hand. Add in with strawberries.
Muddle the fruit using a muddler or handle of a spoon until fruit is pureed.
Add in vodka, ginger beer, & mix thoroughly with spoon. Drink with a straw to avoid the fruit floating at the top. Garnish with strawberry/grapefruit, mint, & lime.