Furthermore, you can count up to 12 using the fingers of just one hand: you just place the tip of your thumb on each of the other finger's phalanges. With two

Furthermore, you can count up to 12 using the fingers of just one hand: you just place the tip of your thumb on each of the other finger's phalanges. With two hands, you can use this method to count up to 144 (a "gross" in English): one hand counts individual items, the other counts dozens.