Answer:
Fuels backyard get-ยญtogethers
Held firmly in the hands, like a sword it cuts deep. Bloodless strokes, all, then forward we leap.
What points the way without a hand. It floats on water but exists on land?
It can pierce the best armor and make swords crumble with a rub, yet for all its power It can't harm a wooden club.
The more of them you take, the more you leave behind. What are they?
You kick me, you punch me, and you beat me up all class. When you leave, you don't even say thanks for allowing you to beat me up. What am I?