How can I hang small driftwood in my snakes terrarium?

 
How can I hang small driftwood in my snakes terrarium?
I found some sturdy driftwood that's perfect for my snakes cage (don't worry I cleaned it and sprayed it with mite spray). I want to use it horizontally in his cage but I can't figure out how to do it. His cage is all glass. I don't want to ruin the cage by putting anything sticky on it. What's a good sturdy way to secure it to my cage? Any ideas will help. I'm so lost lol
You can try caulking it to the side of the cage. Put it in a corner and caulk one side of the wood to one wall and the other side to the other wall (Does that make sense?). If you want to remove it, you can use a knife to cut the caulk (it cuts easily, so you can even use a butter knife) and scrape it off the walls of the tank. Make sure the caulk you use is nontoxic. pets question and answers,www.5d2d.com

Hope that helps :)