Harder n. : A South African mullet, salted for food.

Example:
How much Harder do you think it is too start running as you get older?

Taxonomy
how to, punch, fight, sock, sports, fitness, martial arts, martial art techniques, tutorial, do it yourself.

Defination from the web:
harder. Punching harder is a matter of technique more than strength. Having big muscles doesn't hurt, but strength without good form...