Forced out at first

[cjg619]

I need additional help on a call today. A batter hits a ball to the firstbaseman who drops the ball. The fielder picks up the ball in hand and tags the base with the glove just before the runner gets to first. The batter is ruled out. After the game a parent and I were talking about the call. After searching through the rulebook I cite, the definition of a legal tag on a base: "Once the defensive has control of the ball in the hand(s) or glove, the base may be touched with any part of the body to be a legal touch. (e.g. the defensive player could touch the base with a foot, with a hand, sit on the base, etc.)" A parent then asked where it stated that the glove was part of the body and I could find no such place. The rule book always states the glove or hand(s). Was this the correct call? If so, what other passages would apply?

Thanks