During communicative activities, punch holes in the papers of students that are off task or not in the target language. Easy to keep track of participation when you collect the papers! Or spin it so a hole punch is positive.
SHARPEN A HOLE PUNCH~ Round or shapes, you can punch aluminum foil that's been folded several times, or a chunk of an aluminum pop can to sharpen your hole punches. Also punch snowflakes out of cardboard for crafts/cards