GOD'S WORD® Translation
Certainly, God will crush the heads of his enemies [and destroy even] the hair on the heads of those who continue to be guilty.

American Standard Version
But God will smite through the head of his enemies, The hairy scalp of such a one as goeth on still in his guiltiness.

Berean Study Bible
Surely God will crush the heads of His enemies, the hairy crowns of those who persist in guilty ways.

Douay-Rheims Bible
But God shall break the heads of his enemies: the hairy crown of them that walk on in their sins.

English Revised Version
But God shall smite through the head of his enemies, the hairy scalp of such an one as goeth on still in his guiltiness.

King James Bible
But God shall wound the head of his enemies, and the hairy scalp of such an one as goeth on still in his trespasses.

World English Bible
But God will strike through the head of his enemies, the hairy scalp of such a one as still continues in his guiltiness.

Young's Literal Translation
Only -- God doth smite The head of His enemies, The hairy crown of a habitual walker in his guilt.

Psalm 68:21 Additional Translations ...