Grapefruit Pine Juice
1/3 of grapefruit
1/4 of pineapple
1. Remove skin of the pineapple and the grapefruit, and cut them in right size.
2. Extract the juice of each fruit separately using the fine strainer, in different batches.
3. Pour the pineapple juice into the cup first.
4. Pour grapefruit juice on the pineapple juice slowly.