I have my first 8 crates of cabernet sauvignon due in the next week or two. Having never made wine from grapes before I purchased a used crusher ( stainless basket with hand crank and two nylon gears ) and a nice press. I thought my wife and I would spend a couple of hours to destem the grapes by hand first, and then crush them. I have read that I can crush then first into a milk crate and pull out the stems and the grapes would fall through. Do the grapes fall of the stems as they get crushed? Also the spacing between the nylon crushers is about 3/16". Is this correct? Thanks for any advice.