I purchased the same tone arm and ask the same question a few months ago. The Grado wood carts were one that was recomended and I tried one. I am very happy with the sound of that cart on the Sonus tone arm.
Most (All?) Grado carts have a compliances of 20 CU (i.e. high compliance), which would make them a very good match for the Mayware and Sonus tonearms.
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