I was looking for something to replace the unity candle/sand/cocktail and I think this would be just right for us. I think I might ust ask them to touch tehm for good luck or something, but I'll work out the details later.
RING WARMING CEREMONY
The concept is simple: near the beginning of your ceremony, have your officiant let your guests know that your rings will be making their way through the assembled guests, with an invitation for each guest to hold the ring, say a silent prayer/blessing for your marriage, and then pass it to the next guest. Then the officiant can pass out the rings, and continue on with the ceremony until it's time for you and your partner to present the rings to each other.
Obviously, there are limitations to a ring warming: it wouldn't work well for super large weddings, and if you're having a big wedding you may want to have someone watching the progress of the rings and keeping them moving in a timely manner through your guests.
Some people worry about rings getting dropped during the ceremony — if you like, you can affix them to a pillow or book or some other symbolic item for the passing.