Genesis 49:15
“And he saw that rest was good, and the land that it was pleasant; and bowed his shoulder to bear, and became a servant unto tribute.”
Zebulun shall dwell at the haven of the sea; and he shall be for an haven of ships; and his border shall be unto Zidon.
Issachar is a strong ass couching down between two burdens:
And he saw that rest was good, and the land that it was pleasant; and bowed his shoulder to bear, and became a servant unto tribute.
Dan shall judge his people, as one of the tribes of Israel.
Dan shall be a serpent by the way, an adder in the path, that biteth the horse heels, so that his rider shall fall backward.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“And it came to pass, when the king sat in his house, and the Lord had given him rest round about from all his enemies;”
“Son of man, Nebuchadrezzar king of Babylon caused his army to serve a great service against Tyrus: every head was made bald, and every shoulder was peeled: yet had he no wages, nor his army, for Tyrus, for the service that he had served against it:”
“For they bind heavy burdens and grievous to be borne, and lay them on men’s shoulders; but they themselves will not move them with one of their fingers.”
“I removed his shoulder from the burden: his hands were delivered from the pots.”
“And the name of Hebron before was Kirjath–arba; which Arba was a great man among the Anakims. And the land had rest from war.”