If it were up to me, human beings with parental consent could start fighting as soon as that soft spot on the top of their head closes over or whatever it does. Gets hard. This picture proves technique can be taught to toddlers, and the possibility for marketing this baby fighting is ripe. BabyFightGear.com would reach Tapout circa 2005 levels and everyone would be loving it. Human beings learning to grapple before they could walk or talk, that thought probably brings a tear to DSTRYR/SG‘s eye.
Here we have an example of a family that grew up in gi’s instead of onesies, check it out.