Activity for Rachel

We are having our ceremony front of this barn. Our coordinator suggested we just have guests stand as the ceremony will only last 15 minutes or so. I still would like something that will define the "aisle ", you know? So what ideas can y'all share...

Prepared in advance of four copies of the same color drink, such as cola, in which three cup feeding, such as salt, vinegar ah, be sure to make the beverage taste strange. Then invite four guests, were selected cup, and then in the front of the...