What does a scalloped clutch look like ?

I had a OEM 10.95 scalloped clutch for a big block. I ran it behind a 273 with a 340 bell housing and flywheel. That 273 would eat any clutch I tried within months, back in the day. The best clutch I ever had, except for the pressure, it took a man and a half to push the pedal down. I could power shift at 6,500 to 7,000 rpm with no problem and could take off from a start like a stock 9.5 in clutch. I still have it. You can not run an 11 inch disc with a scalloped pressure plate, it will hit as mentioned above. McLeod and Centerforce make them.