They were obliged to bend themselves inside the erection, and their duty was to push it, so that it should move along on its hidden wheels.

Their only duty was to push it; outside, the two servants in black clothes and white wigs were in charge of the front and back shaft or tiller, which guided the eucharistic car through the tortuous streets.

Gabriel was placed by his companions in the centre; he was to warn them when to stop and when to recommence their march.

The monumental Custodia was mounted on a platform with a great counterpoise, and between it and the framework of the car was about a hand's breadth of space, through which Gabriel looked, thus transmitting the orders of the front pilot.
"Attention! March!" shouted Gabriel, obeying an outside signal.
And the sacred car began to move slowly down the inclined wooden plane that covered the steps of the High Altar.

It was obliged to stop on passing the railings.