Here is a baseball bat choke from the knee on belly with a forward roll.
Baratoplata can be hit from many positions including from the closed guard, turtle and knee on belly positions. It looks like a bicep slicer of wrist lock but actually attacks the shoulder.
A simple cross collar choke from the knee on belly position. In addition to this, Samir Chantre shows a back take transition when the opponents tries to escape the knee on bellly position.
A basic choke using the opponents lapel from the knee on the belly position.
A basic far-side armbar from knee on the belly position.