Marcelo is in the opponents open guard. He drives in to gain over/under control, then pressures to halfguard using a Knee Outside Pass

The opponent gives his back then Marcelo secures the Over/Under seatbelt control. The opponent leaves his arm open, so Marcelo obtains the crucifix position. He flattens the opponent out and locks in the RNC.

Marcelo slides his knee through the middle to pass, the opponent turns just for a split second, so Marcelo capitalizes on the mistake by obtaining the seatbelt and putting hooks in.

Marcelo has the Seatbelt back control, then puts his hooks in.

The opponent drives into Marcelo using his underhook to bring Marcelo to the mat. But, Marcelo finds the Guillotine, sinks it in, then finishes by squeezing and dropping his left leg over the back.

Marcelo is in sidecontrol, then lifts the opponent's head to reveal his neck. Marcelo slips on his rear naked choke attempt, but obtains the Over/Under Seatbelt back control instead. He finishes by putting the hooks in.

Marcelo is slipping off in position, but retains the Over/Under Seatbelt control. He then readjusts to a more favored position. It's important to hold the Over/Under Seatbelt control to secure a strong back control.