I Samuel 19:13 Midrash

וַתִּקַּ֨ח מִיכַ֜ל אֶת־הַתְּרָפִ֗ים וַתָּ֙שֶׂם֙ אֶל־הַמִּטָּ֔ה וְאֵת֙ כְּבִ֣יר הָֽעִזִּ֔ים שָׂ֖מָה מְרַֽאֲשֹׁתָ֑יו וַתְּכַ֖ס בַּבָּֽגֶד׃ (ס)

And Michal took the teraphim, and laid it in the bed, and put a quilt of goats’hair at the head thereof, and covered it with a cloth.

Read midrashic interpretation of I Samuel 19:13: and classical rabbinic exegesis.