Walk through Amos, verse by verse, with the great Bible Commentaries of Matthew Henry (1662 - 1714) & Adam Clarke (1760 - 1832)
2:8
And they lay themselves down upon clothes laid to pledge by every altar, and they drink the wine of the condemned in the house of their god. KJV
{And they ate on clothes laid to wed beside each altar, and drank the wine of condemned men in the house of their God.} Wycliffe's Bible
They were cruel in their oppressions of the poor; for the garments or beds which the poor had pledged they retained contrary to the law, Exodus 22:7-26, which required that such things should be restored before the setting of the sun.
They think to make atonement for this by feasting on the gains of oppression before their altars, and drinking this wine in the house of their God, in the temples where they worshipped their calves, as if they would make God a partner in their crimes by making him a partner of the profits of them—service good enough for false gods; but the true God will not thus be mocked;