Jehovah's Witnesses: how does one actually "use the cross in worship"?

The very fact that the cross is one of the most common of all pagan religious symbols should make us doubt that it could also be the symbol of the pure Christian worship of Jehovah God. And so also should the extremes to which some have gone in times past in venerating the cross. Thus the Catholic writer Didron tells that “the cross has received a worship similar, if not equal, to that of Christ; this sacred wood is adored almost equally with God himself.” Once the honoring of the cross began it went to such extremes that the pagans accused professed Christians of being idolaters. “It is plain that the great m of Christians,” says a religious authority, “attached a magical value to this sign. At all events they used it as a form of exorcism and a means of warding off unclean spirits.” “Soon the cross came to work miracles of itself. People went to the length of marking cattle to protect them from disease." So There...