I'm using the Quiklok D-749. It fully adjustable, but it's not light. The backrest and footrest are both wonderful too. Here's the link http://www.quiklok.com/400x400/sku_D_749.jpg

Cheers,

Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)