This is particularly true for pets that can become very large and difficult to control. Sometimes it seems funny to let our dog drink alcoholic beverages or share the candy. Don't do it. The reasons are much like why people shouldn't drink excessively. Don't leave these around.
Alcohol can also be poisonous.
Aluminum Foil when ingested can cause internal bleeding, and in some cases, even death. It is very sweet tasting. Complications include irreversible kidney damage, coma and death. Cars can be dangerous in the winter. Leaving your dog alone in the car can cause freezing or even exposure to dangerous Carbon Monoxide if your car is left running.