Once upon a time, long, long ago people had a different way of dealing with scumbags, thieves, rats, & other various undesirable people. They would be surrounded and "taught" the meaning of justice or revenge. This surrounding and the accompanying "lesson" was called the "MUCKLERS CIRCLE".
The ability girls and women have developed to hold several items at once in one hand. The skill has been developed due to the lack of pockets in women's clothing.
I thought she'd need multiple trips to carry her phone, keys, wallet, and Starbucks to her car since she needed the other hand to open the door, but she used her impressive girl grip to carry everything in one hand.