Leviticus 5:7-8

⁷But if he may not offre a beeste, offre he twei turtlis, ethir `briddis of culuers to the Lord, oon for synne, and the tother in to brent sacrifice.

⁸And he schal yyue tho to the preest, which schal offre the firste for synne, and schal folde ayen the heed therof to the wengis, so that it cleue to the necke, and be not `brokyn outirli.