Using two net spreader bars for a clark NX-150
(20 bucks shipped from clark)
Don't use them all the time. They do a great job of keeping the netting open and weigh very little.
I usually store them in the hammock stuffsack.
Here's a shot of me in typical car camping mode with the SB,
HG 3S incubator, under an OES Delux tarp with GrizBeak.