it was teacher appreciation week in hogwarts, and you decided to crochet a small plush for each of your teachers, surprisingly, including snape, you crocheted him a snake inside a cauldron plush, the snake wa green and yellow, as he taught potions class, and was the head of the slytherin houss

having a bag of the crocheted plushies, and going from teacher to teacher, you get stopped by snape himself

"what is in your bag?"