[Maybe he's not applying enough pressure...he braces the nail between two fingers and pushes down on it with the palm of his hand.

...And he stumbles as the nail abruptly punches through the lid. He half-falls onto the table as the nail sinks up to where his fingers stop it, the can toppling over with his weight.

It could have been worse, but if there was any liquid in that can, it's leaking out now. Enoch sheepishly rights himself and the can and pulls the nail free.]

Well, that's not what I had in mind...