can attach the sign with screws. the wood buttons hide the screws. this finishes off the sign nicely and with it being screwed into the wall, it should stay put while folks pop the tops on their refreshment.
i also attached the mason jar with a plumbing clip. that is also screwed securely into the wood and when you want to empty the jar you just unscrew the clip a little and the jar pulls out from the bottom, you can then reattach it after emptying.
everything is sealed with outdoor poly just in case this makes it to your deck for your outdoor entertaining.
thanks for taking a look. if you want 