Native Union's Gripster started off as an OEM design from another company. Since then, Native Union seems to have taken control of the design, as the most recent iteration, Gripster Wrap for iPad mini ($60-$100), shows some nice improvements. The case is now a folio, with a removable Smart Cover-inspired lid. Instead of three segments, it's divided into six, and it doesn't fold into a stand, but rather simply curls up and out of the way. The back…
