Could this be a secret compartment?

Apparently gold is hidden in the wood.

You drive to a nice, dark petting spot, hiding me in the backseat...

Would you say that the cassock had been hidden in the trunk?

They understood none of these things. This saying was hidden from them, and they didn't understand the things that were said.

And they understood none of these things and this saying was hid from them, neither knew they the things which were spoken.

But they didn't understand this saying. It was concealed from them, that they should not perceive it, and they were afraid to ask him about this saying.

But they understood not this saying, and it was hid from them, that they perceived it not and they feared to ask him of that saying.

Again, the Kingdom of Heaven is like a treasure hidden in the field, which a man found, and hid. In his joy, he goes and sells all that he has, and buys that field.

Again, the kingdom of heaven is like unto treasure hid in a field the which when a man hath found, he hideth, and for joy thereof goeth and selleth all that he hath, and buyeth that field.