Scribe a line as you did before into the memory foam shape, and cut it just a bit bigger than the traced shape. You need to cut it bigger so you can cut off extra rather than not have enough to fill the hole. Put the ring on the seat pan now, so you can fill the hole without too much trouble. Test-fit the foam pad into the seat ring, making adjustments with the razor knife until you have a snug fit. Perfection is not necessary, since you will be covering it in the next step.
The Joes just shook their heads and laughed amongst themselves. Scarlett stood with her arms crossed. The other Joes hooted and laughed. As he lunged for her, Scarlett dodged slightly, grabbed Steeler by the wrist and kicked his legs out from under him, sending him past her and face first onto the floor with a loud thud. He raised his head with a dazed look in his eyes as a trickle of blood dripped from his nose.