How do you start juicing without a juicer?

How does one go about extracting the nutritional benefits of fruits and vegetables into a delicious and refreshing juice without the use of a specialized juicer? Are there any alternative methods or tools that can be employed to achieve the same results? Additionally, how do these methods compare in terms of efficiency, ease of use, and overall quality of the juice produced? Lastly, are there any potential drawbacks or limitations to juicing without a juicer that should be considered before attempting this method?