you know what else strengthens your wrist/forearms...

Weightlifting?

the shakeweight

pushups?

He meant 'what strengthens "his" arms' ... there was an implied joke there but the delivery was all off.

and I will add, if you are using this implied method to strengthen your wrist/forearms, you are probably a little too aggressive in your approach.

I have one of these. Although somewhat fun, when my arm starts to hurt, I tend to stop so I don't really get any 'exercise' as they imply.

what kind of torque is measured in lbs?!?!