What prevail approaches for squashing grapes in order to extract their juice?

The most typical techniques for crushing grapes in order to extract their juice are as follows:

1) destemming and squashing: the grapes are very first destemmed (i.e. the stems are gotten rid of) and then crushed;

2) whole-cluster pressing: the grapes, with stems still attached, are put into a press and carefully crushed in order to extract the juice;

3) foot-stomping: the grapes are put into a container, such as a barrel or tub, and crushed with bare feet;

4) maker crushing: the grapes are put into a crushing device, which utilizes steel or nylon rollers to crush the grapes. https://publicpush.de/?p=306