[KenWittlief]

Didnt it come with a warning label?

WHILE USING THIS DEVICE DO NOT ATTEMPT TO:

Talk on the phone, drive a motor vehicle, carry on an intelligent conversation, observe or participate in any sporting event, eat or drink, do no use in or around water, do not stare directly at the YoYo, always wear protective clothing and eyewear, do not use near rotating machinery, WARNING: severe head-clunking hazard!