What would make it perfect is a trap door or sliding bottom for easy emptying- An awesome DIY bottle opener, perfect for outdoor parties. It even collects the bottle caps. Ideal Father's Day gift or project to make with Dad.
Make your own coasters- tiles, adhere picture/paper to tile with Mod Podge and let dry; Spray a coat of clear spray paint and let dry; attach felt pads to the bottom. Doesn't have to be beer coaster either!