Here is a good article by Pat Traina on day one
https://www.si.com/nfl/giants/big-blue-plus/giants-begin-two-day-rookie-minicamp-orientation-01hxht3rw2wc
https://www.si.com/nfl/giants/big-blue-plus/giants-begin-two-day-rookie-minicamp-orientation-01hxht3rw2wc