A wrist lock can be applied when the opponent has an overhook in closed guard. A counter to this is a choke by putting your fist into the opponent’s throat.
An armbar option from the omoplata position useful if the opponent is defending their arm tightly.
A variation of the omoplata by hooking under the opponents armpit with your foot.
An armbar on the opponent’s free arm in the gogoplata position.
This is a loop choke from the closed or while letting the opponent pass. This choke can be done from the Lasso guard also.