I recently had to create a fabric bag and I used a gamma correct with a facing ratio fall off that added a nice velvet style effect. in my render it's subtle but the effect is still there. There are many tutorials for this but not many for maya.
All I did was use the fabric texture twice, one brightened with a gamma of 1.6 and another with a gamma of 0.7. The texture with the darker gamma is used for the facing side and the lighter one is used on the edges applied though the facing ratio from a sampler info node. It helps convey a softer fabric that's hard to get.
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