right now i currently use the leather verizon one and love it..... all the cases at my local store had the complete magnet flap that would turn the phone on when you holstered it and on upon removal...... i found one with a snap and a light magnet that does not tdo this at the store ansd its the only one that doesnt do the above..... on top of that it first snug as an oem and protects the phone well.... i like the full body shields myself and the reason he may have taken it off so wquick is because of the look of a bad install would be my guess.... if it is installed correctly you dont know they are there besides the adding shine to the phone, and they protect like no other as well as give the phone some much needed grip.
heres a picture of the exact case that i got minus the swivel and the swivel attachment hole
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http://www.verizonwireless.com/b2c/store/accessory?action=accessoryDetails&archetypeId=2700&page=6