Application: you need place this handy device on top of your tin can primarily, then you snap onto the can and invert the colander, after that the unwanted liquid will be drained from canned foods such as tuna, salmon, beans, vegetables, fruit, etc., you can also turn a can of beans into mashed beans for dipping sauce, or even press cooked potatoes into mashed potatoes and eat them with your favorite bread or other foods.