They shall take of the blood Which was to be sprinkled before the flesh was eaten. Strike it on the two side-posts, and the upper door- post These were to be sprinkled by dipping a bunch of hyssop into the blood, Exodus 12:22; but not the threshold, lest any one should tread upon the blood, which would have been profane.
Related Commentaries of Exodus 12:7
Exodus 12:7
7 And they shall take of the blood, and strike it on the two side posts and on the upper door post of the houses, wherein they shall eat it.