Left AND Right Hands (originally for individual purchase), colour matched with their opposite partners to save deciding which emote you want for which hand.
Why not have both!
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The 'Default' style hands are not pictured, but are a simple passive pose, fingers together, which look similar to a cross between the Book and Ballet hands combined.
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I've tried to pick the best colour swatches to match the items (hover your mouse over each one to see the style you're picking) but of course screen colours vary so it's more as a guideline than a precise colour.