Plenty of people here have contributed good advice so sorry if there is some repeat. Allow me to just give my two cents. If you are crushing your groin then first of all, you are not staying tight on your set up. As someone said, keep your butt really close to them. This will allow the elbow joint to be centered around your pelvis and not your groin. Also, when controlling their arm, keep their thumb pointed to the ceiling, this will further expose the elbow joint. Some people like to grab the wrist with both of their hands. This is ok, it works fine, but lately I have been pinning the blade of my wrist to their wrist (as I keep that elbow tight). This keeps their wrist pinned to my chest and its difficult for them to escape. They key to keeping everything tight is to have everything tight from the initial set up. This is absolutely paramount. Now if they clasp their hands together, there are a TON of counters. Some people have mentioned the Bicep Lock. That is a great counter. One word of advice, when they are clasping their hands together, dont pull straight back. This will only work if you are stronger than your opponent. Instead, keep one arm treaded under the bend of their elbow. I like to grab my own gi lapel (or my own shoulder if no gi) to make it tighter. Then, I slide down to their wrist and I lay back in a circle. This makes it harder for them to hold on. Another option is to kick their far bicep away. Another great counter is to slide across their belt to the opposite side and take the arm bar on their other arm. Another one I used is to slide my legs into the triangle position and finish with either the choke or the arm lock. Im leaving out other details but maybe this will give you some more ideas. If I ever decide to abandon the armbar, my first strategy is to get back to Mount and set it up again. As a secondary tactic, I will sometimes go back to cross body so that I can set up my knee ride or Mount again. Hope this helps Robert Soliz