Today only, That Daily Deal offers this Universal Car Opening Lock Out 9-Piece Kit for $13.49 with free shipping. That's $2 under our November mention and $5 under the lowest price we could find for a similar kit elsewhere. It includes wedges, tools, and instruments, as well as a storage case.
Vinegar is arguably the most versatile product in your house. If you aren't using it for all of these purposes, you're probably wasting money.