Makes a world of difference in self recovery. Or at least the jacking option so you can fill the holes under the tires. If you're in a deep puddle of muck this might be more difficult but if you're in nasty mud with lots of ruts this will definitely help.
Most will recommend the ARB exhaust jack and if you're depending it, probably the way to go. There is also the titan exhaust jack though at 1/3 of the price. 240 vs 80 I think
You can get waffle boards on ebay.
This is an email from this ebay seller from this thread.
I would recommend 2.0” Thickness Sheet size 12” x 4’ Cost $48.00 each Qty (2) $96.00 Shipping to zip 82901 $49.00 Grand Total $145.00