Hand Press Machine attching Snaps 1) Used for plastic snap buttons, eyelets 2) Auto press machine available Hand Press Machine StepsStep 1: Using hex keys, loosen upper and ... stud), then insert the appropriate die piece in the snap press. We have decided to use a socket die. When ... hand (watch your fingers). Be sure to press hard? the centre prong needs to be well flattened (if not, the snap won snap ...