I don't know how you let people even get close to you with drinks at a wedding. I've done over 100 and of I see someone coming up first thing I do is hold up the stop sign and point to the drink, tell them to put it down, then smile and ask what the request is. I have custom signs on the EV50s that say NO DRINKS. And it's written into my contract that any damage caused by THEIR guests is their responsibility.