If you are having trouble getting your friend’s attention, you might want to try touching them. If touching is not enough, you can try tapping. If tapping is not enough, you might want to start scratching them. In order to scare the hack out of them and make them think that you’re a freak yet looking cutely annoying at the same time, you might want to try the Otete Paws and Opopo Tails. As intelligent as they sound, these are basically some cheap mechanical hands that you can control with a button. Selling for US$8 in Japan, why not? — Sam Chan
Otete paws and Opopo tails [e-Revolution]