Bible Verses About Vows: Clean beasts the subjects of, not to be redeemed

But a beast that may be sacrificed to the Lord, if any one shall vow, shall be holy,

And cannot be changed: that is to say, neither a better for a worse, nor a worse for a better. And if he shall change it: both that which was changed, and that for which it was changed, shall be consecrated to the Lord.