A clay whistle made in the depiction of a small griffons face, perhaps give it a go and see what answers the call...

As an action, this can be used to call upon a friendly Swarm of Micro Griffons that will fight alongside of you. They last for 1 minute, until they are reduced to 0 HP or they are dismissed as a free action.

The creature is friendly to you and your companions, and it acts on your turn. You can use a Bonus Action to Command how the creature moves and what action it takes on its next turn, or to give it general orders, such as to Attack your enemies. In the absence of such orders, the creature acts in a fashion appropriate to its Nature.

Once it has been used it cannot be used again until a long rest has been completed.