You can add liquids such as oil or cream to make delicious marinades or salad dressings, and the beauty is you can make a small amount and use it while it is fresh.USING THE SHAKERThere are four easy steps:-1) Add ingredients2) Screw two halves together, making sure the arrows are lined up3) Give the whole thing a good shake4) Open up and either pour your dressing or scoop out your home made rubOn