Looks like there is a tethrd teach n train event in Raleigh feb 28th-March 1...
Might give you some hands on time with one...
tethrdnation.com
................................................................................All climbing methods, platforms, saddle designs, and/or use of materials possibly mentioned in the post above are not peer reviewed for safety, and should only be used as an example of my own method. Do your own research and testing before becoming confident in any DIY solution to support your life.
-IkemanTx