Soak them in vinegar for a few days the shell will become rubbery and pop like a ballon I did it to my wifie if you want to see we have it in an album and out into her panties and fish net stockings and popped them, also some smashed in her head
The best experiences are when you're done and look around and think "damn that could have been so many meals!" Wonder what the calorie count was here...