For those that are curious, he's going to be using Yondr pouches, which are thick cloth pouches with a lock on them that can only be removed by the venue employ

For those that are curious, he's going to be using Yondr pouches, which are thick cloth pouches with a lock on them that can only be removed by the venue employees. I did a bit of Googling and apparently they cost about $10 each, so fairly cheap too.