Iron Tongue

Nah, you have to bolt the big ones down too. People always assume that floor safes will deter thieves by its size & weight. In reality, big standing safes can be pushed-over, and once on its back, can be easily pryed open. When vertical, there's no way to gain enough leverage, but when horizontal, a pry bar can be inserted and leaned into enough to pry out the bolts. Here's a YT link showing how an unsecured safe can be broken into in under 2 minutes. https://youtu.be/B8ViUdd-2LM