I can see why the name "backyard sparring" might raise some eyebrows. lol. But that is exactly what it is. We a have a backyard that is private and me and couple of freinds thought it was good idea. Of course, we must understand that its only for workout, and a little practice. nothing personal will be taken from it. We are mature adults. And we will NOT go full contact. That would just be stupid, we would use control, but wed have alittle more freedom to hit alittle harder, and kick legs, a little takedowns and some grappling, just basic stuff not allowed in dojo. But the main thing is to agree beforehand on the rules, especially "tap out", which would basically just be saying "enough" then it all stops.