This triple attack sequence uses Squid Guard to set up a loose triangle, with the idea that your partner will start to defend and set up other high percentage attacks:
Set up the classic squid guard triangle. Here's a quick tutorial in case you want to review this one.
If you can't get the grip on their lapel, grip their sleeve instead, and set up an omoplata.
If they grip your pants during the initial triangle set up, pull their sleeve through after breaking the grip, and hit an armbar.