I’m not sure if it is a pentecostal thing or not, but there is something called a pentecostal handshake. Have you heard of this?

Someone shakes your hand and they have some dollar bills conscipcuosly hidden in the palm of their hand. When they shake your hand there is a transfer of funds.

The highlight of my day was walking out of church and one of our little NCCers had a birthday so I decided to give him his first pentecostal handshake! The funny thing is that he looked very confused. Evidently, taking money from pastors is very similar to taking candy from strangers :) It took a little effort to get him to close his hand and accept the gift!